good person vs doer

good person and doer both are nouns.

Word	Noun	Adjective	Verb	Adverb
good person	Yes	No	No	No
doer	Yes	No	No	No

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

Other hypernyms of good person include actor, worker.

good person (noun)	doer (noun)
a person who is good to other people	a person who acts and gets things done