Kaffir
/ˈkæfə(r)/noun
- offensive, chiefly S. African an insulting and contemptuous term for a black African〈冒犯, 主南非〉“黑鬼” （对非洲黑人的侮辱性称呼）。
USAGE
The word Kaffir is first recorded in the 16th century （as Caffre） and was originally simply a descriptive term for a particular ethnic group. Now it is always a racially abusive and offensive term when used of people, and in South Africa its use is actionable.
词源
from Arabic kāfir 'infidel', from kafara 'not believe'.