▁the ▁establishment ▁of ▁royal ▁st ools ▁such ▁as ▁O bar o ▁of ▁Kab ba , ▁Ol ub un u ▁of ▁Bun u , ▁O lu j um u ▁of ▁I j um u , ▁Ag b ana ▁of ▁Is an lu , ▁O lu ▁of ▁ <0xE1> <0xBB> <0x8C> w ọ r ọ . ▁The ▁O bar o ▁of ▁Kab ba , ▁O ba ▁Michael ▁O lob ay o ▁( O bar o ▁E ro ▁Il ), ▁is ▁the ▁chairman ▁of ▁the ▁Ok un ▁traditional ▁council . ▁ ▁In ▁the ▁early ▁ 2 0 th ▁century ▁the ▁O lu ▁of ▁ <0xE1> <0xBB> <0x8C> w ọ r ọ ▁( and ▁head ▁of ▁ <0xE1> <0xBB> <0x8C> w ọ r ọ ▁district ) ▁was ▁given ▁super vis ory ▁role ▁over ▁non - Ok un ▁districts ▁of ▁K ak anda , ▁K up a ▁and ▁E gg an ▁while ▁the ▁O bar o ▁of ▁Kab ba ▁had ▁super vis ory ▁role ▁over ▁the ▁other ▁Ok un ▁people . ▁Kab ba ▁which ▁was ▁used ▁as ▁the ▁administrative ▁and ▁military ▁base ▁of ▁the ▁Nu pe ▁expedition , ▁became ▁the ▁capital ▁of ▁the ▁Kab ba ▁province ▁of ▁the ▁Northern ▁region ▁and ▁remains ▁the ▁largest ▁and ▁most ▁important ▁town ▁of ▁the ▁Ok un ▁people . ▁Despite ▁the ▁similar ities ▁pointed ▁out ▁above , ▁there ▁are ▁yet ▁ident ifiable ▁differences ▁in ▁the ▁culture ▁of ▁the ▁various ▁Ok un ▁subgroup . ▁Some ▁of ▁these ▁differences ▁can ▁be ▁noticed ▁in ▁language , ▁political ▁arrang ements , ▁social ▁institutions ▁and ▁the ▁array ▁of