adjudicator vs actor

adjudicator and actor both are nouns.

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

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

Other hypernyms of adjudicator include doer, worker.

adjudicator (noun)	actor (noun)
a person who studies and settles conflicts and disputes	a theatrical performer
	a person who acts and gets things done