Bakhtiar: The Bachtiar tribe is a subgroup of the Lors. ShapourBachtiar, the last Prime Minister of Iran under Mohammed Reza Shah Pahlavi, was a member of this tribe that is believed to be the descendants of Cyrus the Great. A small minority of the Bachtiar peoplestill live as nomadic pastoralists. Many know the tribe for their repotemusical abilities. After the Islamic Revolution, most of the Bakhtiar gave up their nomadic way of life.