Answer: guerrillas

AnswerCrossword Clue
GUERRILLASMilitary rebels
GUERRILLASRussian fighters behind the lines.
GUERRILLASSabotaging soldiers
GUERRILLASFreedom fighters, perhaps
guerrillasA member of a small independent group taking part in irregular fighting, typically against larger regular forces
guerrillasGUERRILLA, a member of an irregular force engaging in warfare or in the harassment of an army also GUERILLA