rich person vs doer

rich person and doer both are nouns.

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

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

Other hypernyms of rich person include actor, worker.

rich person (noun)	doer (noun)
a person who possesses great material wealth	a person who acts and gets things done