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.
Sultan Süleyman known as “the Magnificent” in the West and “Kanuni” (the Lawgiver) in the November 1494 – 7 September was the tenth and longest-reigning Emperor, Sultan of the Ottoman Empire, from 1520 to his death in 1566