The Collaborative International Dictionary of English v.0.48:

Pillager \Pil"la*ger\, n.
   One who pillages. --Pope.
   [1913 Webster]

WordNet (r) 3.0 (2006):

pillager
    n 1: someone who takes spoils or plunder (as in war) [syn:
         plunderer, pillager, looter, spoiler, despoiler,
         raider, freebooter]

U.S. Gazetteer Places (2000):

Pillager, MN -- U.S. city in Minnesota
   Population (2000):    420
   Housing Units (2000): 181
   Land area (2000):     0.640891 sq. miles (1.659899 sq. km)
   Water area (2000):    0.029105 sq. miles (0.075381 sq. km)
   Total area (2000):    0.669996 sq. miles (1.735280 sq. km)
   FIPS code:            50902
   Located within:       Minnesota (MN), FIPS 27
   Location:             46.327105 N, 94.475236 W
   ZIP Codes (1990):     56473
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Pillager, MN
    Pillager