Izedi.

from The Collaborative International Dictionary of English v.0.48

Izedi \Iz"e*di\, n.
   One of an Oriental religious sect which worships Satan or the
   Devil.
   [1913 Webster]

         The Izedis or Yezdis, the so-called Devil worshipers,
         still remain a numerous though oppressed people in
         Mesopotamia and adjacent countries.      --Tylor.
   [1913 Webster]