marauder

from WordNet (r) 3.0 (2006)

marauder
    n 1: someone who attacks in search of booty [syn: {marauder},
         {predator}, {vulture}, {piranha}]

from The Collaborative International Dictionary of English v.0.48

Marauder \Ma*raud`er\, n. [From {Maraud}, v.: cf. F. maraudeur.]
   A rover in quest of booty or plunder; a plunderer; one who
   pillages. --De Quincey.
   [1913 Webster]

from Bouvier's Law Dictionary, Revised 6th Ed (1856)

MARAUDER. One who, while employed in the army as a soldier, commits a 
larceny or robbery in the neighborhood of the camp, or while wandering away 
from the army. Merl. Repert. h.t.

from Moby Thesaurus II by Grady Ward, 1.0

24 Moby Thesaurus words for "marauder":
      bandit, brigand, buccaneer, bummer, depredator, desperado,
      despoiler, forager, forayer, freebooter, looter, pillager, pirate,
      plunderer, raider, rapparee, ravager, ravisher, reiver, rifler,
      sacker, spoiler, spoliator, wrecker

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