Othman I, also known as Uthman I, was the

emperor An emperor (from la, imperator, via fro, empereor) is a monarch, and usually the sovereignty, sovereign ruler of an empire or another type of imperial realm. Empress, the female equivalent, may indicate an emperor's wife (empress consort), ...

of the

Kanem–Bornu Empire The Kanem–Bornu Empire existed in areas which are now part of Nigeria, Niger, Cameroon and Chad. It was known to the Arabian geographers as the Kanem Empire from the 8th century AD onward and lasted as the independent kingdom of Bornu (the B ...

from 1376 to 1379 during the Sayfawa dynasty.

References

Rulers of the Kanem Empire Year of birth unknown Year of death unknown 14th-century monarchs in Africa {{Africa-royal-stub