1) Battler 2) Belligerent 3) Combatant 4) Fighter 5) Military tactic 6) Scrapper 7) Someone who skirmishes 
Skirmishers are infantry or cavalry soldiers stationed ahead or alongside a larger body of friendly troops. They are usually placed in a skirmish line to harass the enemy. ==History== ===Pre-modern=== In ancient and medieval warfare, skirmishers typically carried bows, javelins, slings, and sometimes light shields. Acting as light infantry with th...
• (n.) Soldiers deployed in loose order, to cover the front or flanks of an advancing army or a marching column. • (n.) One who skirmishes.
Skir'mish·er noun One who skirmishes. Specifically: plural (Mil.) Soldiers deployed in loose order, to cover the front or flanks of an advancing army or a marching column. 
[n] - someone who skirmishes (e.g., as a member of a scouting party)
noun someone who skirmishes (e.g., as a member of a scouting party)