Ethnic groups are Tajik, Pashtun, Hazara, Uzbek, Aimak, Sayyid, Turkmen, Baloch and a few others. Volunteers include Shiite Arabs, Iraqi Christians, Sunni Arabs, and Shiite Turkmen. Mustafa is of Turkish origin and Syrian Turkmen ethnicity. Other Turkic groups include the Turkmen and Qashqai peoples. The area was under attack from Uzbek and Turkmen tribes. Bayezid began annexing the territory of Turkmen and Muslim rulers in Anatolia. However, many Iranian "Turkmen" are speakers of Khorasani Turkic. The majority of Syrian Turkmen are Sunni Muslims. Azmoun was born into a Sunni family of Iranian Turkmen origin. This compromised the education of students belonging to minorities like Kurds, Turkmen, and Assyrians. Growth in particular of Arab, Turkmen and Assyrian participation in the SDF has since continued. Local Turks are mostly of Chepni Turkmen origin. She was of Turkish descent and the belonged to a Turkmen family. A substantial number of Syrian Turkmen refugees also fled to Jordan. Turkey has made formal statements of political support for the Syrian Turkmen.