unemotional person vs actor

unemotional person and actor both are nouns.

Word	Noun	Adjective	Verb	Adverb
unemotional person	Yes	No	No	No
actor	Yes	No	No	No

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

Other hypernyms of unemotional person include doer, worker.

unemotional person (noun)	actor (noun)
someone who is seemingly indifferent to emotions	a theatrical performer
	a person who acts and gets things done