original_query: Who was Zahir al-Umar al-Zaydani and what was his role in northern Palestine?
query: Who was Zahir al-Umar al-Zaydani and what was his role in northern Palestine?
answer: Zahir al-Umar al-Zaydani (1689/90 – 1775) was an autonomous Arab ruler of northern Palestine during the mid-18th century, while the region was part of the Ottoman Empire.  He consolidated his power, becoming a significant local leader who controlled a large territory and influenced the region's economy and politics.