Name

'Tutsi' means rich in cattle. They were known as Watusi or Batusi by local members, but a nearby tribe, the Hutu, recognize the Tutsi as the western foreigners. However, the Tutsi lived in the city of Bukavu, so they were known as the Banyamulenge by most locals. 

Reference: Nyankanzi, Edward L. 
     1997 Tutsi. Electronic document, 
              http://www.everyculture.com/wc/Brazil-to-Congo-Republic-of/
              Tutsi.html#b, accessed November 13, 2012.