Initially an unknown man, he became a main figure of the revolution by galvanizing the people of Tabriz to endure two sieges in defense of the Iranian Constitution of 1906, resisting against the royalist forces sent by Mohammad Ali Shah Qajar. He later led the Azerbaijani contingent of Iranian constitutionalist forces (along with contingents from Gilan, Isfahan and Bakhtiari tribal forces) to Tehran in order to protest the abolishment of the constitution by the Mohammad Ali Shah Qajar. As a result of these efforts, the constitution was restored, and Mohammad Ali deposed. Upon his return to Tabriz, Sattar Khan was treated as a national hero.

Sattar Khan had a major fall out with the interim constitutionalist government over disarming and disbanding of his forces. In 1910, Sattar Khan & Haj Baba Khan-e- Ardabili refused to obey the government order to disarm, believing that their volunteer militias were Iran's best defense against any future attempts by the British and Russians to saddle Iran with another tyrant puppet like Mohammad Ali Qajar. After a brief but violent confrontation at Atabek Park in Tehran, Yeprem Khan, Sattar Khan's former comrade and now the police chief of Tehran, disarmed his forces using Bakhtiari tribesmen and Armenian veterans. Yeprem Khan, afterward was viewed as a traitor to the rest of the Iranian revolutionaries for this act. Sattar Khan was wounded during the confrontation. He was later pensioned off and his followers were disbanded. There are some claims that Sattar Khan died in 1914 from the wounds he sustained at Atabek Park