@RoobleAlWaliid , Wikipedia is a fairly credible source as you should know.
But hey, here:
" II. East Africa
Sizable numbers of hunter-gatherers still exist in and near the Rift Valley (Okiek
and Hadza), along the East African Coast (the Dahalo as well as Degere and Wata),
and
around the Juba and Tana rivers near the Kenya-Somali border (the Boni, Kilii
[Aweer], and Eyle). The Sandawe are a former hunter-gatherer group in the vicinity
of Arusha Tanzania (Newman, 1970). The Okiek (Dorobo) of Kenya and Tanzania
occupy forested areas in or adjacent to the Rift Valley of central Kenya south to
northern Tanzania (van Zwanenberg, 1976; Blackburn, 1982; Kratz, 1994). Today
the majority of Okiek have taken up farming, livestock production, and wage
labor; they also participate extensively in exchanges "