Assertor
Pronunciation : As*sert"or
Part of Speech : n.
Etymology : [L., fr. asserere.]
Definition : Defn: One who asserts or avers; one who maintains or vindicates a claim or a right; an affirmer, supporter, or vindicator; a defender; an asserter. The assertors of liberty said not a word. Macaulay. Faithful assertor of thy country's cause. Prior.
Source : Webster's Unabridged Dictionary, 1913