or Khorramiyyeh
Islamic sect that flourished in the 9th–11th centuries.
Though they were Muslims, some members of this sect believed in transmigration of souls and in the dualism of good and evil deities. Like the Shīite s, they were partisans of Alī in the succession of the caliphate, and they held that Islam should be led by descendants of {{link=Muhammad">Muhammad . They differed from the Shīʽites in insisting that the leadership should be hereditary in the person of Abū Muslim . Claiming to be a descendant of Abū, their leader Bābak led a rebellion against the Abbāsid Caliphate of Baghdad, which ended with his capture and execution in 838. The sect died out in the 11th century.