What are some African tribes that begin with the letter R?

Here are some African tribes or ethnic groups whose names begin with the letter "R":

1. Ranquelche: Originally from Argentina

2. Rendile: Tribe residing in Kenya

3. Rufiji: A tribe originally located in Tanzania

4. Rahanweyn: Tribe or clan-family from Somalia

5. Rozi: Located at the border of Burundi and the Democratic Republic of the Congo

6. Roba: Located in Ethiopia

7. Rashaida: Originated from Saudi Arabia but has some branches that live in Northern Africa/Eastern Sahel, mainly the Sudan.

8. Regge: Primarily living in Tanzania

9. Rombo: Residing in Tanzania primarily

It's important to note that this list is not exhaustive and there may be other smaller, lesser-known African tribes or ethnic groups whose names begin with the letter "R" as well.