에 데려다줘야

have to take [someone] to

→ 에
phrase Uncommon #6,461
have to take [someone] to The destination particle 에 means “to.” 데려다줘야 expresses that someone has to take another person somewhere; the person being taken is understood from context.
KO: 친구를 역에 데려다줘야 해.
EN: I have to take my friend to the station.

그래서 당연히 화장실에 데려다줘야 했지.

So of course I had to take her to the bathroom.

— 극장판 귀멸의 칼날: 무한성편 (2025)