The Afar (Afar alphabet Qafár, Feera ዐፋር ʿāfār, Arabic: عفار, Amh. translit. āfār, also spelled አፋር) are an ethnic group in the Horn of Africa who reside principally in the Danakil Desert in the Afar Region of Ethiopia, as well as in Eritrea and Djibouti.
Gumuz (also spelled Gumaz) is an ethnic group living in the Benishangul-Gumuz Region and the Qwara woreda of Ethiopia, as well as the Fazogli region of Sudan; they number about 200,000.
The Tsamai people (also spelled Tsemay, Tsamay, Tsemai, Tsamako, or Tsamakko) are an ethnic group of southwestern Ethiopia. They speak an East Cushitic language called Tsamai, which is one of the Dullay languages, and thus related to the Bussa and Gawwada languages.
The Hamer (also spelled Hamar) are a tribal people in southwestern Ethiopia. They live in Hamer Bena woreda (or district), a fertile part of the Omo River valley, in the Debub Omo Zone of the Southern Nations, Nationalities, and Peoples Region (SNNPR).