agnostic vs doer

agnostic and doer both are nouns.

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

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

Other hypernyms of agnostic include actor, worker.

agnostic (noun)	doer (noun)
a person who claims that they cannot have true knowledge about the existence of God (but does not deny that God might exist)	a person who acts and gets things done
someone who is doubtful or noncommittal about something

agnostic (adjective)	doer (adjective)
uncertain of all claims to knowledge
of or pertaining to an agnostic or agnosticism