叛はん将しょう

noun

rebel leader; rebel general

Refers to a military commander who has turned against their own side; often used in historical or literary contexts.

• その叛将はんしょは自軍うはじぐんに背そむき、敵てき側がわに寝ね返がえった。

  The rebel leader turned against his own army and defected to the enemy.