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The Ilari

The Alaafin of Oyo appointed certain religious and government officials, who were usually eunuchs. These officials were known as the ilari or half-heads, because of the custom of shaving half of their heads and applying what was believed to be a magical substance into them. The hundreds of Ilari were divided evenly between the sexes. Junior members of the Ilari did menial tasks, while seniors acted as guards or sometimes messengers to the other world via sacrifice. Their titles related to the king, such as oba l'olu ("the king is supreme") or madarikan ("do not oppose him"). They carried red and green fans as credentials of their status.

All sub-courts of Oyo had Ilari who acted as both spies and taxmen. Oyo appointed these to visit and sometimes reside in Dahomey and the Egbado Corridor to collect taxes and spy on Dahomey's military successes so that the Alaafin of Oyo could get his cut.