Muṣʿab ibn ʿUmayr (known as Muṣʿab al-Khayr, d. 625 CE / 3 AH) was the ultimate "glow-up"—or perhaps, a "glow-down" in the eyes of the world, but a massive elevation in the eyes of the Divine. Born into the lap of luxury in Makkah, he was the most
