Avower

n.

1.

One who avows or asserts.

Noun	1.	avower - someone who admits or acknowledges openly and boldly
	2.	avower - someone who claims to speak the truth; "a bold asserter"; "a declarer of his intentions"; "affirmers of traditional doctrine"; "an asseverator of strong convictions"; "an avower of his own great intelligence" Synonyms: affirmer, asserter, asseverator, declarer

avouch, avow, communicator