Pīrūz Nahāvandi (Persian: پیروز نهاوندی, Firuzan or Piruzān), known in Arabic as 'AbūLū'lū'ah (Arabic: أبو لؤلؤة) was a Persian Sasanian soldier who served under the commander Rostam Farrokhzad, but was captured in the Battle of alQādisiyyah in 636 CE when the Sasanians were defeated by the Arab army of Caliph `Umar ibn al .