Complex sentence: A small minority of the population is identified as Haratin and Gnawa, dark-skinned sedentary agriculturalists from the southern and eastern oases that speak either Berber or Moroccan Arabic.
Split into simpler sentences: A small minority of the population is identified as Haratin and Gnawa. These are sedentary agriculturalists of non-Berber origin, who inhabit the southern and eastern oases and speak either Berber or Moroccan Arabic.