Rising in opposition to civil or political authority, or against an established government; insubordinate; rebellious.

A person who rises in revolt against civil authority or an established government; one who openly and actively resists the execution of laws; a rebel.

Properly speaking a rebel against a legitimate government. In Bush-speak a member of the resistance.

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

in opposition to a civil authority or government

a rebel, someone who revolts against established authority