Source : Webster's Revised Unabridged Dictionary (1913)

Despoiler \De*spoil"er\, n.
   One who despoils.

Source : WordNet®

despoiler
     n : someone who takes spoils or plunder (as in war) [syn: {plunderer},
          {pillager}, {looter}, {spoiler}, {raider}, {freebooter}]