The Bafours were the original inhabitants of Mauritania

Mauritania

Mauritania is a country in the Maghreb and West Africa. It is bordered by the Atlantic Ocean in the west, by Western Sahara in the north, by Algeria in the northeast, by Mali in the east and southeast, and by Senegal in the southwest...

, and the ancestors of the Imraguen and Soninke peoples of western Africa. They were primarily agriculturalist and agro-pastoralists, and were relatively stationary. At the time they lived in Mauritania, it was far more fertile than it is today. Later they emigrated south to more fertile areas.