手伝ってあげて

help them

→ 手伝う
phrase Uncommon #13,357
help them A casual request or command meaning to help someone as a favor. The person being helped is understood from context; あげて adds the nuance of doing something for their benefit.
JA: 困っている人がいたら、手伝ってあげて。
EN: If someone is having trouble, help them.

手伝ってあげて

Help them.

— ROMA/ローマ (2018)

試験のことで君を手伝ってあげてよかった君がそれを断ったのだ

I could have helped you with the exam, but you turned me down.

ぺぺ手伝ってあげて

Please help Pepe.

— ROMA/ローマ (2018)

手伝ってあげてもいいよ

I can help you if you'd like.

彼が忙しいようなら手伝ってあげて

If he seems busy, please help him out.