Source : Webster's Revised Unabridged Dictionary (1913)

Submitter \Sub*mit"ter\, n.
   One who submits. --Whitlock.

Source : WordNet®

submitter
     n 1: someone who yields to the will of another person or force
     2: someone who submits something (as an application for a job
        or a manuscript for publication etc.) for the judgment of
        others; "he was a prolific submitter of proposals"