An extract from a Kanuri Praise-Poem from the ancient Bornu kingdom of northern Nigeria (see also The Sultan of Bornu). the Yerima was an official responsible for the defence and general administration of the northern part of the Bornu kingdom and was invariably the grandson of a Sultan.
This Praise-Poem is said to refer to the Yerima who held office during the reign of Sultan Arri Umarmi, 1645-85, though the joke about reading (line 14) must date from a later time.
The Yerima is like a prancing horse whose legs are not hobbled,
Like a camel which wanders where it will without a halter…