noun one who rebels.
2. rebel ·vi pertaining to rebels or rebellion; acting in revolt; rebellious; as, rebel troops.
3. rebel ·vi to be disobedient to authority; to assume a hostile or insubordinate attitude; to revolt.
4. rebel ·vi to renounce, and resist by force, the authority of the ruler or government to which one owes obedience. ·see rebellion.