This document provides biographical details about Ammar ibn Yasir, a companion of the Prophet Muhammad. It describes how Ammar, his parents, and family embraced Islam early on and suffered great persecution from Meccan pagans, including the murder of his mother and father. It highlights Ammar's devotion, bravery, and distinguished service throughout the Prophet's life and after, including participating in battles and holding leadership roles. The document emphasizes that Ammar remained firmly devoted to Islam his entire life and was ultimately martyred, pleasing Allah.