n. 反叛者（rebel的复数形式）

n `Johnny' was applied as a nickname for Confederate soldiers by the Federal soldiers in the American Civil War; `greyback' derived from their grey Confederate uniforms

n a person who takes part in an armed rebellion against the constituted authority (especially in the hope of improving conditions)

n someone who exhibits great independence in thought and action

v take part in a rebellion; renounce a former allegiance

v break with established customs