<P> In the northern Muslim states, Emir is commonly used in the English language, but names in the local languages include Sarki, Shehu, Mai, Lamido, etc . </P> <P> Oba is the title of the Benin Kingdom's paramount ruler in Edo State . Enogie (plural enigie) is ascribed to his dukes within the Benin Kingdom, while Okao (plural ikao) and Odionwere are ascribed to his governors and senior elders respectively . In practice, Enigie are not installed in communities with ikao as they are both representatives of the Oba, charged with the same roles and responsibilities . </P> <P> Onojie is also used by the Esan peoples to refer to their various rulers in Edo State, the Afamai people use Otaru andvOkwokpellagbe . Other titles are also used . </P> <P> Oba is also used by the Yoruba peoples to refer to their various rulers, though other titles such as Ooni, Alake, Alaafin, Awujale, Olomu, Akarigbo, Orangun, Olu'wo, Eburu, etc. are also used, specific to the people and / or place ruled . </P>

5 traditional rulers in nigeria and their duties