"Yoruba: African or Not?

Is "Yorouba" an African Ethnicity/Culture?

For:
1- The name sounds more like african
2- Most of "Yoruba" disciples are black people
3- It is widspread in Nigera
Against:
1- Not only seen in africa
2- Almost same practices in Latine America

Is "Yoruba" an African Language?

For:
1- Spoken in Africa
2- Name of "Yoruba" sounds more African
Against:
1- Not only spoken in Africa
2- (....................................)