have (someone) backidiom
Definition of have (someone) back
1 : to be with (someone who has returned) again Welcome home! It's great to have you back (with us again)! We'd love to have you back for another visit. He longs to have her back in his life. The doctor said he'd like to have me back for more tests next week.
2 : to allow (someone) to return He wants to return to his wife, but she won't have him back.