해줘야

must do for someone, have to do for someone

→ 해주다
verb · informal Rare #23,934
must do for someone, have to do for someone Usually followed by 하다 or another verb to complete the sentence.
KO: 친구에게 이걸 해줘야 해.
EN: I have to do this for my friend.
Conjugation of 해주다

그건 아는데 얘긴 해줘야 할 거 같아서

I know, but I figured I should tell you.

— 오펜하이머 (2023)

다른 사람이 대신 전화를 받고 밖에 나가서 전화를 대신 해줘야 했다

I had to have someone else answer the phone and go outside to make the call for me.

— 좋은 친구들 (1990)

모든 여자는 남자를 가끔씩 놀라게 해줘야 하오

Every woman should surprise a man from time to time.

— 여정 (1955)