Complex sentence: Between 1609 and his death in 1620-21, he served as the governor of Jerusalem or Nablus or both he also held the prestigious office of "amir al-hajj" (commander of the Hajj caravan).
Split into simpler sentences: Between 1609 and his death in 1620-21, he served as the governor of Jerusalem or Nablus or both. He also held the prestigious office of "amir al-hajj" (commander of the Hajj caravan).