Answer:
Mansa
Step-by-step explanation:
The term Mansa in West African Kingdom is similar to a 'Sultan' in middle east kingdoms or a 'King' In British Kingdom. It's a title given to a man who held absolute authority within the land. Making him responsible for everything that happened within the Kingdom.
Mansa Musa I was probably the most well known between them all. During his reign, Mali empire managed to reach the peak of its prosperity. He managed to make his territory became the center of cultural and knowledge exchange in African region.