For 10 points, name this father-in-law to the prophet Muhammad, a man that eventually became the first rightly guided Caliph.
In an abu Nuwas religious poem, the speaker asks God to take cast this man and Fidl into Hell. The Sufi work The Bezels of Wisdom praises this man for possessing "the highest knowledge of God" that is only held by "the seal of Apostles" and "the seal of Saints." According to one story, Nawfal ibn Khuwaylid tied this figure together with Talhun ibn Ubaydallah, which led to this man being called Al-Qareenayn. He was a given a copy of the Mus'haf that contains a bunch of verses compiled by Zayn ibn Thabit, and in one notable funeral oration he proclaimed that "If I do what is right, help me, If I do what is wrong, correct me." He was challenged by his son to a duel during the Battle of Carmel, and later on in life he became leader of his peoples which motivated the Wars of Apostasy. He had earlier married off his daughter A'isha. For 10 points, name this father-in-law to the prophet Muhammad, a man that eventually became the first rightly guided Caliph.
In an abu Nuwas religious poem, the speaker asks God to take cast this man and Fidl into Hell.
Abu Bakr or Abdullah ibn Abi Qahafa