▁have ▁a ▁particular ▁occupation . ▁W ak w avi ▁are ▁basically ▁past oral ▁but ▁do ▁also ▁have ▁elements ▁of ▁agricult ural , ▁as ▁such , ▁they ▁are ▁a ▁sed ent ary ▁people ▁with ▁a ▁heavy ▁bias ▁to ▁past oral ism . ▁W ak w avi ▁of ▁T anz ania ▁were ▁looked ▁upon ▁as ▁being ▁G ogo ▁people ▁with ▁whom ▁they ▁shared ▁the ▁same ▁language . ▁ ▁With ▁time , ▁due ▁to ▁loss ▁of ▁liv est ock ▁and ▁consequ ential ▁pau per ism , ▁many ▁have ▁changed ▁their ▁pre occupation ▁and ▁have ▁become ▁agricult ur ist ▁and ▁as ▁such ▁now ▁not ▁disc ern ible ▁from ▁the ▁other ▁G ogo ▁people . ▁They ▁were ▁mistaken ▁as ▁Mas a ai , ▁whom ▁they ▁were ▁not , ▁for ▁although ▁they ▁had ▁Mas a ai ▁features ▁of ▁dress ing , ▁they ▁had ▁not ▁their ▁orn ament , ▁they ▁did ▁not ▁use ▁och re ▁as ▁the ▁Mas a ai , ▁nor ▁did ▁pla it ▁their ▁hair ▁long ▁like ▁the ▁Mas a ai . ▁And ▁although ▁the ▁blank et ▁featured ▁just ▁as ▁the ▁Mas a ai , ▁their ▁n aked ness ▁was ▁not ▁exposed ▁as ▁the ▁Mas a ai . ▁ ▁However , ▁unlike ▁other ▁G og os , ▁they ▁pier ced ▁and ▁el ong ated ▁their ▁ear lob es , ▁this ▁though ▁is ▁not ▁limited ▁to ▁the ▁Mas a ai . ▁ ▁The ▁K w avi ▁being ▁part ▁of ▁the ▁G ogo ▁group ▁is ▁an ▁indic ation ▁of ▁the ▁emer gence ▁of ▁the ▁G ogo ▁tribe ▁which ▁basically ▁is