persona non grata vs doer

persona non grata and doer both are nouns.

Word	Noun	Adjective	Verb	Adverb
persona non grata	Yes	No	No	No
doer	Yes	No	No	No

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

Other hypernyms of persona non grata include actor, worker.

persona non grata (noun)	doer (noun)
a person who for some reason is not wanted or welcome	a person who acts and gets things done
a diplomat who is unacceptable to the government to which he is sent