inexperienced person vs doer

inexperienced person and doer both are nouns.

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

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

Other hypernyms of inexperienced person include actor, worker.

inexperienced person (noun)	doer (noun)
a person who lacks knowledge of evil	a person who acts and gets things done