freebooter Meaning, Definition & Usage

noun someone who takes spoils or plunder (as in war)
spoiler; looter; despoiler; plunderer; pillager; raider.

D. vrijbuiter, fr. vrijbuiten to plunder; vrij free + buit booty, akin to E. booty. See Free, and Booty, and cf. Filibuster.

One who plunders or pillages without the authority of national warfare; a member of a predatory band; a pillager; a buccaneer; a sea robber. Bacon.