 The Soninke strata have included a free category called "Horro" or "Horon", a caste system category called "Namaxala" or "Nyaxamalo", and slaves called "Komo".In the Jaara subgroup of the Soninke people, the nobility called "Tunkanlenmu" was another strata.The slaves were the largest strata, one at the bottom among the Soninke like other West African ethnic groups, and constituted up to half of the population.