anti vs doer

anti and doer both are nouns.

Word	Noun	Adjective	Verb	Adverb
anti	Yes	Yes	No	No
doer	Yes	No	No	No

As nouns, doer is a hypernym of anti; that is, doer is a word with a broader meaning than anti:

Other hypernyms of anti include actor, worker.

anti (noun)	doer (noun)
a person who is opposed (to an action or policy or practice etc.)	a person who acts and gets things done

anti (adjective)	doer (adjective)
not in favor of (an action or proposal etc.)