High Quality Content by WIKIPEDIA articles! The Northern Ndebele language, or isiNdebele, or Sindebele, is an African language belonging to the Nguni group of Bantu languages, and spoken by the Ndebele or Matabele people of Zimbabwe. It is commonly known as Sindebele. Sindebele is related to the Zulu language spoken in South Africa. This is because the Ndebele people of Zimbabwe descend from followers of the Zulu leader Mzilikazi, who left kwaZulu in the early nineteenth century during the Mfecane.