にはなりたくない

don't want to become

→ に
phrase Rare #32,048
don't want to become Follows a noun or description of a person or role. The particle は adds emphasis or contrast.
JA: 私は医者にはなりたくない。
EN: I don't want to become a doctor.

お医者さんにはなりたくないの!

I don't want to be a doctor!

弁護士にはなりたくないんだ。

I don't want to be a lawyer.

私は、あの人たちみたいにはなりたくない。

I don't want to become like those people.

教師にはなりたくない。

I don't want to be a teacher.

日本人の捕虜にはなりたくない

I don't want to be taken prisoner by the Japanese.

— 動くな、死ね、甦れ! (1990)

あんな人にはなりたくないわ。

I don't want to become someone like that.