asserter

Noun

as=sert=er

WORDNET DICTIONARY

asserter(n = noun.person) affirmer, asseverator, avower, declarer - 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"

is a kind of communicator

has particulars: postulator

Derived form verb assert₂

asserter, n.

One who asserts; one who avers pr maintains; an assertor. [1913 Webster]

"The inflexible asserter of the rights of the church." [1913 Webster]