anti-American vs doer

anti-American and doer both are nouns.

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

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

anti-American: a person who is opposed to the United States and its policies
doer: a person who acts and gets things done

Other hypernyms of anti-American include actor, worker.

anti-American (noun)	doer (noun)
a person who is opposed to the United States and its policies	a person who acts and gets things done

anti-American (adjective)	doer (adjective)
opposed to the United States and its policies