BUADI AND OTHERS v. AMOO II Courts—High Court—Jurisdiction—Chieftaincy Act, 1971 (Act 370)—Whether action in respect of chieftaincy matter determined by relief sought by writ—Quo warranto sought to restrain A from exercising functions of chief under Act 370—Office of chief public office created by statute—Whether High Court has jurisdiction to prevent an unqualified person from exercising functions of chief under Act 370—Remedy for exercising supervisory jurisdiction—Administration of Justice (Miscellaneous Provisions) Act, 1938 (1 & 2 Geo. 6, c. 63), s. 9—Chieftaincy Act, 1971 (Act 370)— Constitution, 1979, art. 126.