emulator vs actor

emulator and actor both are nouns.

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

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

Other hypernyms of emulator include doer, worker.

emulator (noun)	actor (noun)
someone who copies the words or behavior of another	a theatrical performer
	a person who acts and gets things done