ancient vs doer

ancient and doer both are nouns.

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

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

Other hypernyms of ancient include actor, worker.

ancient (noun)	doer (noun)
a person who lived in ancient times	a person who acts and gets things done
a very old person

ancient (adjective)	doer (adjective)
very old
belonging to times long past especially of the historical period before the fall of the Western Roman Empire