I am an IsiXhosa lecturer at Nelson Mandela University and a Xhosa language translator. I am the author of two books, "IsiXhosa for Beginners" and "IsiXhosa For Beginners 2".
In South Africa “umlungu” is a word that’s commonly used to refer to white people. It comes from isiXhosa, the language of the country’s Xhosa people.