 Abu Azzah had previously been one of the prisoners of Badr.Abu Azzah Amr bin Abd Allah al-Jumahi had been treated kindly by Muhammad after the Battle of Badr, being a poor man with daughters, he had no means to pay ransom, he was released after Battle of Badr, on the condition that he would not take up arms against Muslims again.But he had broken his promise and participated in Battle of Uhud.