admirer vs doer

admirer and doer both are nouns.

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

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

Other hypernyms of admirer include actor, worker.

admirer (noun)	doer (noun)
someone who admires a young woman	a person who acts and gets things done
a person who backs a politician or a team etc.
a person who admires; someone who esteems or respects or approves