Xhosa

The Xhosa language is a Bantu language spoken by approximately 8 million people as a first language and many more as a second language, primarily in South Africa, Zimbabwe, and Lesotho. Xhosa is mutually intelligible with Zulu and other Nguni languages to varying degrees and is one of the official languages of South Africa and Zimbabwe. It has a complex sound system, including 18 click consonants, 10 vowels, and two inherent phonemic tones, but tone and stress are not typically indicated in writing.learn more on wikipedia