Mehjaa ibn Saleh
Mehjaa' ibn Saleh (Arabic: مهجع بن صالح), sometimes known as Mehjaa', a loyal to Umar ibn al-Khattab (مهجع مولى عمر بن الخطاب) is a Muslim Yemeni soldier participated in the Battle of Badr, and is known as the first Muslim to be killed in that battle (by an arrow), in contrast to what some believe that Ubaida ibn al-Harith is the first Muslim to be killed.