Abu Ubaidah ibn al-Jarrah

Abu Ubaidah ibn al-Jarrah, fully Abū ‘Ubaydah ‘Āmir ibn ‘Abdillāh ibn al-Jarāḥ (Arabic: أبو عبيدة عامر بن عبدالله بن الجراح‎; 583–639 CE), was one of companions of the Islamic prophet Muhammad. He remained commander of a large section of the Rashidun Army during the time of the Rashid Caliph Umar and was on the list of Umar's appointed successors to the Caliphate.