n. a person who supports or engages in a rebellion or insurrection; "Insurrectionists took over the country's capital after the rebellion."

n. someone who exhibits great independence in thought and action

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

v. take part in a rebellion; renounce a former allegiance

v. break with established customs

adj. used by Northerners of Confederate soldiers; "the rebel yell"