diff --git a/packages/backend/migration/1743558299182-RoleCopyOnMoveAccount.js b/packages/backend/migration/1743558299182-RoleCopyOnMoveAccount.js
new file mode 100644
index 0000000000..0ec1bf4dc3
--- /dev/null
+++ b/packages/backend/migration/1743558299182-RoleCopyOnMoveAccount.js
@@ -0,0 +1,13 @@
+export class RoleCopyOnMoveAccount1743558299182 {
+    name = 'RoleCopyOnMoveAccount1743558299182'
+
+    async up(queryRunner) {
+        await queryRunner.query(`ALTER TABLE "role" ADD "copyOnMoveAccount" boolean NOT NULL DEFAULT false`);
+        await queryRunner.query(`COMMENT ON COLUMN "role"."copyOnMoveAccount" IS 'If true, the role will be copied to moved to the new user on moving a user.'`);
+    }
+
+    async down(queryRunner) {
+        await queryRunner.query(`COMMENT ON COLUMN "role"."copyOnMoveAccount" IS 'If true, the role will be copied to moved to the new user on moving a user.'`);
+        await queryRunner.query(`ALTER TABLE "role" DROP COLUMN "copyOnMoveAccount"`);
+    }
+}
diff --git a/packages/backend/src/core/AccountMoveService.ts b/packages/backend/src/core/AccountMoveService.ts
index 0fbb9bcd80..f34a5a3032 100644
--- a/packages/backend/src/core/AccountMoveService.ts
+++ b/packages/backend/src/core/AccountMoveService.ts
@@ -24,6 +24,7 @@ import { FederatedInstanceService } from '@/core/FederatedInstanceService.js';
 import InstanceChart from '@/core/chart/charts/instance.js';
 import PerUserFollowingChart from '@/core/chart/charts/per-user-following.js';
 import { SystemAccountService } from '@/core/SystemAccountService.js';
+import { RoleService } from '@/core/RoleService.js';
 
 @Injectable()
 export class AccountMoveService {
@@ -61,6 +62,7 @@ export class AccountMoveService {
 		private relayService: RelayService,
 		private queueService: QueueService,
 		private systemAccountService: SystemAccountService,
+		private roleService: RoleService,
 	) {
 	}
 
@@ -119,6 +121,7 @@ export class AccountMoveService {
 			await Promise.all([
 				this.copyBlocking(src, dst),
 				this.copyMutings(src, dst),
+				this.copyRoles(src, dst),
 				this.updateLists(src, dst),
 			]);
 		} catch {
@@ -201,6 +204,31 @@ export class AccountMoveService {
 		await this.mutingsRepository.insert(arrayToInsert);
 	}
 
+	@bindThis
+	public async copyRoles(src: ThinUser, dst: ThinUser): Promise<void> {
+		// Insert new roles with the same values except userId
+		// role service may have cache for roles so retrieve roles from service
+		const [oldRoleAssignments, roles] = await Promise.all([
+			this.roleService.getUserAssigns(src.id),
+			this.roleService.getRoles(),
+		]);
+
+		if (oldRoleAssignments.length === 0) return;
+
+		// No promise all since the only async operation is writing to the database
+		for (const oldRoleAssignment of oldRoleAssignments) {
+			const role = roles.find(x => x.id === oldRoleAssignment.roleId);
+			if (role == null) continue; // Very unlikely however removing role may cause this case
+
+			try {
+				await this.roleService.assign(dst.id, role.id, oldRoleAssignment.expiresAt);
+			} catch (e) {
+				if (e instanceof RoleService.AlreadyAssignedError) continue;
+				throw e;
+			}
+		}
+	}
+
 	/**
 	 * Update lists while moving accounts.
 	 *   - No removal of the old account from the lists
diff --git a/packages/backend/src/core/RoleService.ts b/packages/backend/src/core/RoleService.ts
index 86f8a5caa1..ef30360fd7 100644
--- a/packages/backend/src/core/RoleService.ts
+++ b/packages/backend/src/core/RoleService.ts
@@ -630,6 +630,7 @@ export class RoleService implements OnApplicationShutdown, OnModuleInit {
 			isModerator: values.isModerator,
 			isExplorable: values.isExplorable,
 			asBadge: values.asBadge,
+			copyOnMoveAccount: values.copyOnMoveAccount,
 			canEditMembersByModerator: values.canEditMembersByModerator,
 			displayOrder: values.displayOrder,
 			policies: values.policies,
diff --git a/packages/backend/src/models/Role.ts b/packages/backend/src/models/Role.ts
index a173971b2c..3eb34190dc 100644
--- a/packages/backend/src/models/Role.ts
+++ b/packages/backend/src/models/Role.ts
@@ -248,6 +248,12 @@ export class MiRole {
 	})
 	public isExplorable: boolean;
 
+	@Column('boolean', {
+		default: false,
+		comment: 'If true, the role will be copied to moved to the new user on moving a user.',
+	})
+	public copyOnMoveAccount: boolean;
+
 	@Column('boolean', {
 		default: false,
 	})