Mali empire, under it's new rule.
Mansa Musa was a devout muslim. Perhaps what he is best known for is his pilgrimage to Mecca. Throughout the trip, he gave away a great amount of gold, so much in fact, it caused a crash in gold prices. He never forced Islam on his people but he encouraged them to join.
His wealth never changed him, he was incredibly generous and did what he could to help the poor. He acquired this
money