MUKHTAR, J.C.A. (Delivering the Leading Judgment): This is an action taken in representative capacities by the plaintiffs who belong to various family chieftaincies of Ilero, against the holder of Sobaloju chieftaincy and some officials of the Government. According to the plaintiffs the Sobaloju chieftaincy is the last in the hierarchy of the chiefs of Ilero according to the customary law of Ilero starting with the Elero of Ilero. The case of the plaintiffs is that the first Elero of Ilero was Ogunola Abere, the son of Labinjo who settled at Igboare later called Ilu Aro with his people and was at the helm of affairs of Ilu Elero. Oluyero Akano who migrated from Irawo was conferred with the first hereditary chieftaincy of Jagun of Ilero, and his descendants have been the successive Jaguns, the next in rank to the Elero. Elero Akinola conferred other migrants with the hereditary chieftaincies of Olukotun, Ajeji, Olukosi, Mogaji, Olukotun and they all followed in order of seniority. The …