In the figure of ʿAbdallāh b. al-Mubārak (118-181/736-797), we find a paragon of the fields of ḥadīth, zuhd, and jihād, as attested to by the large number of references to him in the classical Islamic texts. His superior rank as a ḥadīth transmitter earned him the title "commander of the faithful" in ḥadīth. He contributed to Islamic law at its early phases of development, practiced...