もらうために

in order to get someone to

→ 貰う
phrase Rare #37,356
in order to get someone to Follows a verb in the て-form and indicates doing something in order to receive that person's help or have them do something. The subject benefits from the action.
JA: 先生に推薦状を書いてもらうために、必要な書類を準備した。
EN: I prepared the necessary documents in order to get my teacher to write me a recommendation letter.

昨日、私は時計を調べてもらうためにその店に行った

Yesterday, I went to that store to have my watch examined.

金を返してもらうためについに脅してやった

I finally threatened him to get my money back.

あなたに信じてもらうためにあなたの家に一緒に帰りたいずっと思っていた

I've always wanted to go home with you so you'd believe me.

— HERO (2002)

私はあなたのだからあなたに喜んでもらうためにきれいな身なりをしていたい

Because I’m your wife, I want to look beautiful to make you happy.