▁the ▁local ▁G urg ura ▁cl an . ▁ ▁The ▁Dir ▁cl an ▁used ▁to ▁be ▁the ▁pre domin ant ▁inhabitants ▁of ▁Har arg he ▁High lands ▁in ▁the ▁medieval ▁times ▁until ▁the ▁weak ening ▁of ▁Ad al ▁Sultan ate ▁the ▁opportun ist ▁O rom os ▁took ▁advantage ▁of ▁the ▁cri pp ling ▁state ▁and ▁decided ▁to ▁in va de ▁and ▁occup y ▁the ▁Har ag he ▁High lands ▁and ▁assim il ate ▁the ▁local ▁native ▁Som ali ▁population ▁which ▁were ▁Jar so , ▁G urg ura , ▁N ole , ▁Met ta , ▁O bor ra ▁and ▁B urs uk ▁who ▁were ▁all ▁sub - cl ans ▁of ▁Dir ▁a ▁major ▁Som ali ▁tribe ▁and ▁were ▁later ▁conf eder ated ▁into ▁O rom o ▁tribe , ▁the ▁Af ran ▁Q allo ▁cl an . ▁ ▁The ▁Dir ▁were ▁supp or ters ▁of ▁Im am ▁A hm ad ▁ibn ▁I bra him ▁al - G h azi ▁during ▁his ▁ 1 6 th ▁century ▁con quest ▁of ▁A by ss in ia ; ▁especially ▁the ▁Ak ish o , ▁G urg ura , ▁Iss a , ▁B urs uk ▁and ▁G ad ab uur si . ▁In ▁his ▁medieval ▁Fut uh ▁Al - H ab ash ▁document ing ▁this ▁campaign , ▁the ▁chron ic ler ▁Sh ih ā b ▁al - D ī n ▁indicates ▁that ▁thousands ▁of ▁Dir ▁soldiers ▁took ▁part ▁in ▁Im am ▁A hm ad ' s ▁Ad al ▁Sultan ate ▁army . ▁ ▁The ▁Dir ▁cl an ▁also ▁led