Answer: bushwhacking

AnswerCrossword Clue
bushwhackingFight as a guerrilla in the bush
bushwhackingMake a surprise attack on (someone) from a hidden place; ambush
bushwhackingBUSHWHACK, to shoot from ambush
bushwhackingCut or push one's way in a specified direction through dense vegetation
bushwhackingLive or travel in wild or uncultivated country