手伝いたい

want to help

→ 手伝う
手伝い help, assist + たい Desiderative (want to)
verb · desiderative Rare #40,644
want to help
JA: 母を手伝いたいです。
EN: I want to help my mother.
Conjugation of 手伝う
Desiderative

手伝いたい

Do you want to help?

— マルコムX (1992)

手伝いたいだけで分ってる

I know you just want to help.

— ブゴニア (2025)

私はあなたの宿題を手伝いたい

I want to help you with your homework.

手伝いたいけど多分足手まといになるよね

I want to help, but I'd probably just get in the way.