abalwanirizi b'eddembe ly'obuntu mu nigeria beeyisa mu ngeri ey'obusungu oluvannyuma lwa munnabyabufuzi omunigeria ne mukyala we okuvunaanibwa abawaabi ba gavumenti mu bungereza okukukusa abantu n'ekigendererwa eky'okukungula ebitundu by'omubiri