 This was the last straw.Inspired by the Sufrite preachers, the North African Berber tribes of western Morocco – initially, the Ghomara, Berghwata and Miknasa – decided to break openly into revolt against their Arab overlords.As their leader, they chose Maysara al-Matghari, alleged by some Arab chroniclers to be a lowly water-carrier (but more probably a high Matghara Berber chieftain).