imperial soldier
Refers to a soldier serving an empire, typically in historical or fictional contexts such as the Roman Empire or a fantasy empire.
Imperial soldiers of the Roman Empire underwent rigorous training.
In the game, the player fights as an imperial soldier.
帝国軍 refers to the 'imperial army' as a whole, whereas 帝国兵 refers to an individual soldier within it.
Compound of 帝国 (ていこく, 'empire') and 兵 (へい, 'soldier').