Kafir n. : One of a race which, with the Hottentots and Bushmen, inhabit South Africa. They inhabit the country north of Cape Colony, the name being now specifically applied to the tribes living between Cape Colony and Natal; but the Zulus of Natal are true Kaffirs.

Kafir n. : One of a race inhabiting Kafiristan in Central Asia.

Example:
Did Rashad Khalifa give his Rashadis the ability to label who is a Kafir?

Taxonomy
Disbelief, Qur'an, Allah, Muslims, Ayah, Soorah, states, Kufr, truth, non-Muslims, SS Kafir, Islam, kāfir, hides, tongue, laws, 10-23, kaffir.

Defination from the web:
kafir/kuffar was used by Muslims in Africa to refer to the non-Muslim African natives. ... The word eventually changed into many forms — cafre (in Portuguese, Spanish and Greek), caffar, kaffer, kaffir, kafir, etc. (in English, Dutch, and Afrikaans) ...