▁well ▁as ▁Vic iss itude , ▁the ▁Nag lop ers ▁have ▁much ▁in ▁common ▁with ▁Cl an ▁T z im isce . ▁Like ▁the ▁F i ends , ▁the ▁Nag lop ers ▁must ▁bur row ▁into ▁the ▁earth ▁and ▁rest ▁there ▁at ▁least ▁once ▁a ▁day ▁or ▁be ▁weak ened . ▁Un like ▁the ▁T z im isce , ▁the ▁Nag lop ers ▁do ▁not ▁need ▁to ▁rest ▁in ▁the ▁earth ▁of ▁their ▁birth place . ▁ ▁N k ulu ▁Z ao ▁ ▁The ▁N k ulu ▁Z ao ▁are ▁one ▁of ▁the ▁minor ▁leg a cies ▁of ▁La ib on . ▁The ▁ch ilder ▁of ▁the ▁nearly ▁ext inct ▁line ▁of ▁Z ao - lat , ▁the ▁N k ulu ▁Z ao ' s ▁numbers ▁are ▁few ▁after ▁their ▁legacy ▁has ▁been ▁h unted ▁down ▁for ▁centuries . ▁Their ▁very ▁name ▁is ▁in ▁honor ▁of ▁their ▁founder ; ▁N k ulu ▁Z ao ▁is ▁Bav ili ▁for ▁" de ad ▁sou ls ▁of ▁Z ao - lat ". ▁In ▁order ▁to ▁hide ▁from ▁the ▁mag i ▁who ▁dec im ated ▁their ▁numbers , ▁the ▁N k ulu ▁Z ao ▁remain ▁highly ▁secret ive . ▁So ▁secret ive , ▁in ▁fact , ▁that ▁even ▁they ▁do ▁not ▁know ▁how ▁many ▁of ▁them ▁remain ▁in ▁Africa , ▁let ▁alone ▁the ▁rest ▁of ▁the ▁world . ▁They ▁remain ▁solit ary , ▁des perate ▁to ▁surv ive , ▁to ▁the ▁point ▁they ▁have ▁let ▁the ▁T rem ere ' s ▁rum ors ▁come ▁true . ▁The