celebrant vs actor

celebrant and actor both are nouns.

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

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

Other hypernyms of celebrant include doer, worker.

celebrant (noun)	actor (noun)
an officiating priest celebrating the Eucharist	a theatrical performer
a person who is celebrating	a person who acts and gets things done