rara avis vs actor

rara avis and actor both are nouns.

Word	Noun	Adjective	Verb	Adverb
rara avis	Yes	No	No	No
actor	Yes	No	No	No

As nouns, actor is a hypernym of rara avis; that is, actor is a word with a broader meaning than rara avis:

Other hypernyms of rara avis include doer, worker.

rara avis (noun)	actor (noun)
a rare or unique person	a theatrical performer
	a person who acts and gets things done