n. 惯于旅行林地者

Bushwhacker \Bush"whack`er\, n.
1. One accustomed to beat about, or travel through, bushes.
[U.S.]

They were gallant bushwhackers, and hunters of
raccoons by moonlight. --W. Irving.

2. A guerrilla; a marauding assassin; one who pretends to be
a peaceful citizen, but secretly harasses a hostile force
or its sympathizers. [U.S.] --Farrow.