revenant vs doer

revenant and doer both are nouns.

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

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

Other hypernyms of revenant include actor, worker.

revenant (noun)	doer (noun)
someone who has returned from the dead	a person who acts and gets things done
a person who returns after a lengthy absence

revenant (adjective)	doer (adjective)
of or relating to or typical of a revenant
coming back