What language did kunta kinte speak?

Kunta Kinte, the character in Alex Haley's novel "Roots," is based on a real person. He was born in the Mandinka (or Mandinka-speaking) culture of The Gambia in West Africa. Therefore, the language he spoke was Mandinka.

While the specific dialect Kunta Kinte spoke is not documented, it's likely to have been one of the many dialects spoken within the Mandinka language family.