Synonyms of the word

avower

• n. A person who avows.

affirmer

• n. one who affirms.

asserter

• n. One who makes an assertion.

communicator

• n. Someone who, or something that communicates.
• n. Any of several electronic devices that allow people with various disabilities to communicate via displays…

declarer

• n. (bridge)The person who wins the bidding and so declares what suit will be trump.
• n. One who declares.
• n. (computer science) A statement that declares the properties of a variable or contributes to doing so.