confessor vs communicator

confessor and communicator both are nouns.

Word	Noun	Adjective	Verb	Adverb
confessor	Yes	No	No	No
communicator	Yes	No	No	No

As nouns, communicator is a hypernym of confessor; that is, communicator is a word with a broader meaning than confessor:

confessor: someone who confesses (discloses information damaging to themselves)
communicator: a person who communicates with others

confessor (noun)	communicator (noun)
a priest who hears confession and gives absolution	a person who communicates with others
someone who confesses (discloses information damaging to themselves)