nonpartisan vs doer

nonpartisan and doer both are nouns.

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

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

Other hypernyms of nonpartisan include actor, worker.

nonpartisan (noun)	doer (noun)
a person who is nonpartisan	a person who acts and gets things done

nonpartisan (adjective)	doer (adjective)
free from party affiliation or bias