primitive person vs doer

primitive person and doer both are nouns.

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

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

Other hypernyms of primitive person include actor, worker.

primitive person (noun)	doer (noun)
a person who belongs to an early stage of civilization	a person who acts and gets things done