It is narrated from Hazrat Fadala (may Allah be pleased with him) that the Noble Prophet (peace and blessings be upon him) said during the Farewell Pilgrimage: "Shall I not tell you about the 'believer'? A believer is one from whom people's lives and wealth are safe. A Muslim is one from whose tongue and hand other people are safe. A Mujahid is one who strives against his own self in obedience to Allah, and a Muhajir is one who abandons sins and mistakes."