diff --git a/backend/src/config/index.ts b/backend/src/config/index.ts
index c9543902e..f31dfc93d 100644
--- a/backend/src/config/index.ts
+++ b/backend/src/config/index.ts
@@ -10,7 +10,7 @@ Decimal.set({
 })
 
 const constants = {
-  DB_VERSION: '0050-add_messageId_to_event_protocol',
+  DB_VERSION: '0051-add_delete_by_to_contributions',
   DECAY_START_TIME: new Date('2021-05-13 17:46:31-0000'), // GMT+0
   LOG4JS_CONFIG: 'log4js-config.json',
   // default log level on production should be info
diff --git a/backend/src/graphql/resolver/AdminResolver.test.ts b/backend/src/graphql/resolver/AdminResolver.test.ts
index 8d9e4bed0..281f2b99b 100644
--- a/backend/src/graphql/resolver/AdminResolver.test.ts
+++ b/backend/src/graphql/resolver/AdminResolver.test.ts
@@ -17,6 +17,7 @@ import {
   setUserRole,
   deleteUser,
   unDeleteUser,
+  createContribution,
   adminCreateContribution,
   adminCreateContributions,
   adminUpdateContribution,
@@ -77,6 +78,7 @@ afterAll(async () => {
 let admin: User
 let user: User
 let creation: Contribution | void
+let result: any
 
 describe('AdminResolver', () => {
   describe('set user role', () => {
@@ -1365,6 +1367,38 @@ describe('AdminResolver', () => {
             })
           })
 
+          describe('admin deletes own user contribution', () => {
+            beforeAll(async () => {
+              await query({
+                query: login,
+                variables: { email: 'peter@lustig.de', password: 'Aa12345_' },
+              })
+              result = await mutate({
+                mutation: createContribution,
+                variables: {
+                  amount: 100.0,
+                  memo: 'Test env contribution',
+                  creationDate: new Date().toString(),
+                },
+              })
+            })
+
+            it('throws an error', async () => {
+              await expect(
+                mutate({
+                  mutation: adminDeleteContribution,
+                  variables: {
+                    id: result.data.createContribution.id,
+                  },
+                }),
+              ).resolves.toEqual(
+                expect.objectContaining({
+                  errors: [new GraphQLError('Own contribution can not be deleted as admin')],
+                }),
+              )
+            })
+          })
+
           describe('creation id does exist', () => {
             it('returns true', async () => {
               await expect(
diff --git a/backend/src/graphql/resolver/AdminResolver.ts b/backend/src/graphql/resolver/AdminResolver.ts
index 2193fe7a3..4fd85dc0f 100644
--- a/backend/src/graphql/resolver/AdminResolver.ts
+++ b/backend/src/graphql/resolver/AdminResolver.ts
@@ -400,13 +400,24 @@ export class AdminResolver {
 
   @Authorized([RIGHTS.ADMIN_DELETE_CONTRIBUTION])
   @Mutation(() => Boolean)
-  async adminDeleteContribution(@Arg('id', () => Int) id: number): Promise<boolean> {
+  async adminDeleteContribution(
+    @Arg('id', () => Int) id: number,
+    @Ctx() context: Context,
+  ): Promise<boolean> {
     const contribution = await DbContribution.findOne(id)
     if (!contribution) {
       logger.error(`Contribution not found for given id: ${id}`)
       throw new Error('Contribution not found for given id.')
     }
+    const moderator = getUser(context)
+    if (
+      contribution.contributionType === ContributionType.USER &&
+      contribution.userId === moderator.id
+    ) {
+      throw new Error('Own contribution can not be deleted as admin')
+    }
     contribution.contributionStatus = ContributionStatus.DELETED
+    contribution.deletedBy = moderator.id
     await contribution.save()
     const res = await contribution.softRemove()
     return !!res
diff --git a/backend/src/graphql/resolver/ContributionResolver.ts b/backend/src/graphql/resolver/ContributionResolver.ts
index 0741533cb..aec7bc44d 100644
--- a/backend/src/graphql/resolver/ContributionResolver.ts
+++ b/backend/src/graphql/resolver/ContributionResolver.ts
@@ -91,6 +91,7 @@ export class ContributionResolver {
     }
 
     contribution.contributionStatus = ContributionStatus.DELETED
+    contribution.deletedBy = user.id
     contribution.deletedAt = new Date()
     await contribution.save()
 
diff --git a/backend/src/mailer/sendAddedContributionMessageEmail.test.ts b/backend/src/mailer/sendAddedContributionMessageEmail.test.ts
index 1151a0abc..bed8f6214 100644
--- a/backend/src/mailer/sendAddedContributionMessageEmail.test.ts
+++ b/backend/src/mailer/sendAddedContributionMessageEmail.test.ts
@@ -26,7 +26,7 @@ describe('sendAddedContributionMessageEmail', () => {
   it('calls sendEMail', () => {
     expect(sendEMail).toBeCalledWith({
       to: `Bibi Bloxberg <bibi@bloxberg.de>`,
-      subject: 'Gradido Frage zur Schöpfung',
+      subject: 'Rückfrage zu Deinem Gemeinwohl-Beitrag',
       text:
         expect.stringContaining('Hallo Bibi Bloxberg') &&
         expect.stringContaining('Peter Lustig') &&
diff --git a/backend/src/mailer/text/contributionMessageReceived.ts b/backend/src/mailer/text/contributionMessageReceived.ts
index b0c9c4d30..af1cabb9f 100644
--- a/backend/src/mailer/text/contributionMessageReceived.ts
+++ b/backend/src/mailer/text/contributionMessageReceived.ts
@@ -1,6 +1,6 @@
 export const contributionMessageReceived = {
   de: {
-    subject: 'Gradido Frage zur Schöpfung',
+    subject: 'Rückfrage zu Deinem Gemeinwohl-Beitrag',
     text: (data: {
       senderFirstName: string
       senderLastName: string
diff --git a/database/entity/0051-add_delete_by_to_contributions/Contribution.ts b/database/entity/0051-add_delete_by_to_contributions/Contribution.ts
new file mode 100644
index 000000000..32c6f32a3
--- /dev/null
+++ b/database/entity/0051-add_delete_by_to_contributions/Contribution.ts
@@ -0,0 +1,92 @@
+import Decimal from 'decimal.js-light'
+import {
+  BaseEntity,
+  Column,
+  Entity,
+  PrimaryGeneratedColumn,
+  DeleteDateColumn,
+  JoinColumn,
+  ManyToOne,
+  OneToMany,
+} from 'typeorm'
+import { DecimalTransformer } from '../../src/typeorm/DecimalTransformer'
+import { User } from '../User'
+import { ContributionMessage } from '../ContributionMessage'
+
+@Entity('contributions')
+export class Contribution extends BaseEntity {
+  @PrimaryGeneratedColumn('increment', { unsigned: true })
+  id: number
+
+  @Column({ unsigned: true, nullable: false, name: 'user_id' })
+  userId: number
+
+  @ManyToOne(() => User, (user) => user.contributions)
+  @JoinColumn({ name: 'user_id' })
+  user: User
+
+  @Column({ type: 'datetime', default: () => 'CURRENT_TIMESTAMP', name: 'created_at' })
+  createdAt: Date
+
+  @Column({ type: 'datetime', nullable: false, name: 'contribution_date' })
+  contributionDate: Date
+
+  @Column({ length: 255, nullable: false, collation: 'utf8mb4_unicode_ci' })
+  memo: string
+
+  @Column({
+    type: 'decimal',
+    precision: 40,
+    scale: 20,
+    nullable: false,
+    transformer: DecimalTransformer,
+  })
+  amount: Decimal
+
+  @Column({ unsigned: true, nullable: true, name: 'moderator_id' })
+  moderatorId: number
+
+  @Column({ unsigned: true, nullable: true, name: 'contribution_link_id' })
+  contributionLinkId: number
+
+  @Column({ unsigned: true, nullable: true, name: 'confirmed_by' })
+  confirmedBy: number
+
+  @Column({ nullable: true, name: 'confirmed_at' })
+  confirmedAt: Date
+
+  @Column({ unsigned: true, nullable: true, name: 'denied_by' })
+  deniedBy: number
+
+  @Column({ nullable: true, name: 'denied_at' })
+  deniedAt: Date
+
+  @Column({
+    name: 'contribution_type',
+    length: 12,
+    nullable: false,
+    collation: 'utf8mb4_unicode_ci',
+  })
+  contributionType: string
+
+  @Column({
+    name: 'contribution_status',
+    length: 12,
+    nullable: false,
+    collation: 'utf8mb4_unicode_ci',
+  })
+  contributionStatus: string
+
+  @Column({ unsigned: true, nullable: true, name: 'transaction_id' })
+  transactionId: number
+
+  @DeleteDateColumn({ name: 'deleted_at' })
+  deletedAt: Date | null
+
+  @DeleteDateColumn({ unsigned: true, nullable: true, name: 'deleted_by' })
+  deletedBy: number
+
+  @OneToMany(() => ContributionMessage, (message) => message.contribution)
+  @JoinColumn({ name: 'contribution_id' })
+  messages?: ContributionMessage[]
+}
diff --git a/database/entity/Contribution.ts b/database/entity/Contribution.ts
index f6530f00b..4b1dfc9c8 100644
--- a/database/entity/Contribution.ts
+++ b/database/entity/Contribution.ts
@@ -1 +1 @@
-export { Contribution } from './0047-messages_tables/Contribution'
+export { Contribution } from './0051-add_delete_by_to_contributions/Contribution'
diff --git a/database/migrations/0051-add_delete_by_to_contributions.ts b/database/migrations/0051-add_delete_by_to_contributions.ts
new file mode 100644
index 000000000..21d0eda97
--- /dev/null
+++ b/database/migrations/0051-add_delete_by_to_contributions.ts
@@ -0,0 +1,12 @@
+/* eslint-disable @typescript-eslint/explicit-module-boundary-types */
+/* eslint-disable @typescript-eslint/no-explicit-any */
+
+export async function upgrade(queryFn: (query: string, values?: any[]) => Promise<Array<any>>) {
+  await queryFn(
+    `ALTER TABLE \`contributions\` ADD COLUMN \`deleted_by\` int(10) unsigned DEFAULT NULL;`,
+  )
+}
+
+export async function downgrade(queryFn: (query: string, values?: any[]) => Promise<Array<any>>) {
+  await queryFn(`ALTER TABLE \`contributions\` DROP COLUMN \`deleted_by\`;`)
+}
diff --git a/frontend/src/locales/de.json b/frontend/src/locales/de.json
index a9ad47911..a9aee274d 100644
--- a/frontend/src/locales/de.json
+++ b/frontend/src/locales/de.json
@@ -34,7 +34,7 @@
   "contribution": {
     "activity": "Tätigkeit",
     "alert": {
-      "answerQuestion": "Bitte beantworte die Nachfrage",
+      "answerQuestion": "Bitte beantworte die Rückfrage!",
       "communityNoteList": "Hier findest du alle eingereichten und bestätigten Beiträge von allen Mitgliedern aus dieser Gemeinschaft.",
       "confirm": "bestätigt",
       "in_progress": "Es gibt eine Rückfrage der Moderatoren.",
diff --git a/frontend/src/pages/Community.vue b/frontend/src/pages/Community.vue
index c98bfff2d..786307405 100644
--- a/frontend/src/pages/Community.vue
+++ b/frontend/src/pages/Community.vue
@@ -231,8 +231,6 @@ export default {
           this.items = listContributions.contributionList
           if (this.items.find((item) => item.state === 'IN_PROGRESS')) {
             this.tabIndex = 1
-          } else {
-            this.tabIndex = 0
           }
         })
         .catch((err) => {