Abu Bakr al-Siddiq
أَبُو بَكْرٍ الصِّدِّيق
First Caliph and closest companion of the Prophet ﷺ
Abu Bakr al-Siddiq was the first adult male to accept Islam and the closest companion of the Prophet ﷺ. He became the first Caliph after the Prophet's death, preserving the unity of the Muslim community.