bushwhacker (n.)
- ancestor
- announcer
- antecedent
- avant-garde
- bellwether
- buccinator
- explorer
- forebear
- forerunner
- frontiersman
- fugleman
- groundbreaker
- guerrilla
- guide
- harbinger
- herald
- innovator
- irregular
- leader
- maquis
- maquisard
- messenger
- partisan
- pathfinder
- pioneer
- point
- precedent
- precursor
- predecessor
- resistance
- scout
- trailblazer
- underground
- vanguard