Brotherhood Between Muhajirun and Ansar

The Prophet ﷺ established a formal brotherhood (mu'akhah) between the Meccan emigrants (Muhajirun) and the Medinan helpers (Ansar), pairing each Muhajir with an Ansar. The Ansar shared their homes, wealth, and even offered to divorce a wife so their Muhajir brother could marry. Abdur-Rahman ibn Awf famously declined Sa'd ibn al-Rabi's generous offer, asking only to be shown the marketplace. This brotherhood was unprecedented in tribal Arab society and unified the Muslim community.