What is "barghawata"

The Barghawatas (also Barghwata or Berghouata) were a confederation of Berber tribes of the Atlantic coast of Morocco, belonging to the Masmuda Berber tribal confederacy. After allying with the Sufri Kharijite rebellion in Morocco against the Umayyads, they established an independent state (CE 744 - 1058) in the area of Tamesna on the Atlantic coast between Safi and Salé under the leadership of Tarif al-Matghari.