Source : Webster's Revised Unabridged Dictionary (1913)

Trampler \Tram"pler\, n.
   One who tramples; one who treads down; as, a trampler on
   nature's law. --Cowper.

Source : WordNet®

trampler
     n 1: someone who injures by trampling
     2: someone who walks with a heavy noisy gait or who stamps on
        the ground [syn: {stamper}, {stomper}, {tramper}]