なんかになりたくない

don't want to become something like

→ なんか
phrase Rare #36,533
don't want to become something like Used after a noun to dismiss or belittle it, expressing that the speaker does not want to become that kind of person or thing. The noun before なんか is usually followed by に because of なる.
JA: そんな大人なんかになりたくない。
EN: I don't want to become an adult like that.

弁護士なんかになりたくない

I don't want to become a lawyer or anything.

ヒーローなんかになりたくない

I don't want to be a hero or anything.

先生なんかになりたくない

I don't want to become a teacher or anything.

医者なんかになりたくない

I don’t want to become a doctor or anything.