nonmember vs doer

nonmember and doer both are nouns.

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

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

Other hypernyms of nonmember include actor, worker.

nonmember (noun)	doer (noun)
a person who is not a member	a person who acts and gets things done