Mahdism
From BiblePortal Wikipedia
Webster's Dictionary [1]
(n.) Belief in the coming of the Mahdi; fanatical devotion to the cause of the Mahdi or a pretender to that title.
The Nuttall Encyclopedia [2]
A hope cherished by devout Moslems of a Mahdi to come who will lead them on to victory against the infidel and to the conquest of the world.
