noun
irregular forces member; guerrilla
Refers to a person who belongs to a guerrilla or irregular military unit. Often used in historical or military contexts.
彼は戦時中、遊撃隊員として活動していた。
During the war, he served as a member of an irregular unit.
Compound of 遊撃 (guerrilla, irregular warfare) + 隊員 (member of a unit). The exact historical derivation is uncertain.