middle of the roader vs actor

middle of the roader and actor both are nouns.

Word	Noun	Adjective	Verb	Adverb
middle of the roader	Yes	No	No	No
actor	Yes	No	No	No

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

Other hypernyms of middle of the roader include doer, worker.

middle of the roader (noun)	actor (noun)
a person who takes a position in the political center	a theatrical performer
	a person who acts and gets things done