n. 贼鸥, 步兵, 猎人

Yager \Ya"ger\ (?; 277), n. [G. j["a]ger a hunter, from jagen to
chase, hunt.] (Mil.)
In the German army, one belonging to a body of light infantry
armed with rifles, resembling the chasseur of the French
army. [Written also {jager}.]