A person involved in armed conflict against an occupation, or oppressive government, etc.; a revolutionary, an insurgent, a rebel or insurrectionist.
One who is militant for their religion (or irreligion).
An adherent of jihadism.
One who participates in a jihad, an Islamic holy war or conflict; a mujahid.
Pertaining to the Islamic fundamentalist doctrine of jihadism, which advocates armed jihad.