BUSHWHACKER

Bush″whack′er (�), n. 1. 1. One accustomed to beat about, or travel through, bushes.
They were gallant bushwhackers, and hunters of raccoons by moonlight. W. Irving. 2. 2. A guerrilla; a marauding assassin; one who pretends to be a peaceful citizen, but secretly harasses a hostile force or its sympathizers. Farrow.