TELL ALO/MANBIJ, Syria — On a recent morning Sheikh Humaydi Daham al-Hadi reclined on a velvet floor sofa, puffing on a cigarette with a roguish glint in his eye as he held court in his outdoor diwan, or reception chamber, in the town of Tell Alo in northern Syria.
The veteran leader of the nomadic Arab Shammar tribe, which spans several countries, is among the most vocal advocates of Syria’s long-repressed Kurdish minority. His Forces of the Brave or al-Sanadid forces have, like thousands of fellow Arab tribals, been fighting alongside the Syrian Kurdish People’s Protection Units (YPG) as part of the US-led coalition against the Islamic State (IS).