Verb (5-dan, る, intransitive)
1. to be affected; to put on airs
かなり気取らない性格だ。They have a really unpretentious personality.
Verb (5-dan, る, transitive)
2. to act like (something one isn't); to pretend to be
as …を気取る
あたしは、悲劇の主人公を気取っているだけかもしれない。I might just be pretending to be the protagonist of a tragedy.