Salman al-Farsi was a Persian religious scholar and one of the companions of Muhammad. As a practicing Zoroastrian, he dedicated much of his early life to studying to become a magus, though he later became preoccupied with travelling throughout Western Asia to engage in interfaith dialogue with other religious groups. His quests eventually prompted his conversion to Christianity and later his conversion to Islam, which occurred after he met and befriended Muhammad in the city of Yathrib. He was a prominent non-Arab companion and one of Muhammad's closest friends; Muhammad had once stated to a gathering of his followers that he regarded Salman as a part of his family. In meetings with the other companions, he was often referred to by the kunya Abu ʿAbdullah.

Muhammad was an Arab religious, social, and political leader and the founder of Islam. According to Islamic doctrine, he was a prophet divinely inspired to preach and confirm the monotheistic teachings of Adam, Abraham, Moses, Jesus, and other prophets. He is believed to be the Seal of the Prophets within Islam, with the Quran as well as his teachings and practices forming the basis for Islamic religious belief.