Sentence:  Again, these <WSD>Gcwi</WSD> are supposed to speak a different language. It is very interesting that on the western edge of the Kalahari, in Great Namaqualand, a Bushman tribe called 'Nasenstocktrager' is said to live who also carry a piece of ... 
Meaning of the word marked with <WSD> tags:  A certain ethnic group in Africa.