conciliator vs mediator

conciliator and mediator both are nouns.

Word	Noun	Adjective	Verb	Adverb
conciliator	Yes	No	No	No
mediator	Yes	No	No	No

As nouns, mediator is a hypernym of conciliator; that is, mediator is a word with a broader meaning than conciliator:

Other hypernyms of conciliator include go-between, intercessor, intermediary, intermediator.

conciliator (noun)	mediator (noun)
someone who tries to bring peace	a negotiator who acts as a link between parties