Zarma people
... that in the stratified social system of the African Zarma people, the lowest stratum inherited slavery?
... that in the stratified social system of the African <b id="mwBA8"><a href="./Zarma_people" id="mwBBA" rel="mw:WikiLink" title="Zarma people">Zarma people</a></b>, the lowest stratum inherited <a href="./Slavery" id="mwBBE" rel="mw:WikiLink" title="Slavery">slavery</a>?