recoverer vs doer

recoverer and doer both are nouns.

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

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

Other hypernyms of recoverer include actor, worker.

recoverer (noun)	doer (noun)
someone who saves something from danger or violence	a person who acts and gets things done