Waki' bin al-Jarrah وكيع بن الجراح · The Book on Military Expeditions

"An Army from the armies of the Muslims, whose commander was Salman Al-Farisi, besieged one of the Persian castles. They said: 'O Abu 'Abdullah! Should we charge them?' He said: 'Leave me to call them (to Islam) as I heard the Messenger of Allah (ﷺ) call them.' So Salman went to them and said: 'I am only a man from among you, a Persian, and you see that the Arabs obey me. If you become Muslims then you will have…

"I participated at Khaibar with my masters. They spoke about me to the Messenger of Allah (ﷺ) and told him that I was a slave." He said: "So he ordered me to take up the sword, and I found myself dragging it, so he ordered that I be given something from the goods. I presented a Ruqyah that I used to treat the possessed with, so he ordered me leave some of it and keep some of it." There is…