Imamite

[ ih-mah-mahyt ]
/ ɪˈmɑ maɪt /

noun Islam.

a member of the principal sect of Shiʿah, believing in a succession of twelve divinely inspired imams, beginning with Ali and ending with Muhammad al-Muntazar (d. a.d. c880), who supposedly retired to a cave, later to return as the Mahdi.
Also I·ma·mi [ih-mah-mee] /ɪˈmɑ mi/.
Also called Twelver.

Origin of Imamite