middlebrow vs actor

middlebrow and actor both are nouns.

Word	Noun	Adjective	Verb	Adverb
middlebrow	Yes	No	No	No
actor	Yes	No	No	No

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

Other hypernyms of middlebrow include doer, worker.

middlebrow (noun)	actor (noun)
someone who is neither a highbrow nor a lowbrow	a theatrical performer
	a person who acts and gets things done