A ‘başıbozuk’ (irregular soldier of the Ottoman army). From the Balkans (Epirus or Albania). Late-ottoman, half of the century. This doesn't look a like a Bashi Bazouk but more like a normal Greek or Albanian male.
Ghawazee tunics traditionally covered the midriff of true Roma dancers. Strict purity laws among the Roma prohibit exposure of areas of the body, except in the presence of husbands or of other Roma women.
vintagebellydance: “ srednod: “ Egyptische danseres in een tent, met muzikanten en toeschouwers - Willem de Famars Testas 1863 ” If there is any authenticity to this scene, and most images of the Middle East/The Orient must be taken with a large.