In germany a Jäger is a hunter. Nothing more.
Edited:
In Austria there is an Elite Force of the Army called Feldjäger tho.
Jäger are light infantry, not just hunter.
Wikipedia posted:
Jäger - Rangers - light infantry specialized for assault and defense operations in rugged terrain, and urban warfare. Often also used for air-mobile/air-assault operations (heliborne). Also employed as elite commando troops for protection of Electronic Warfare units and for protection and transport of nuclear weapons that were under the control of SACEUR (Supreme Allied Command Europe). Wear a green beret with a golden badge displaying oak leafs surrounded by a braided chord.