It is narrated from Sayyiduna Ibn Amr, may Allah be pleased with him, that a man came to the court of the Prophet and said, "O Messenger of Allah! Who is the true emigrant?" The Noble Prophet, peace and blessings be upon him, said: "The emigrant is the one who abandons what Allah has forbidden."
Hadith Referenceمسند احمد / مسند المكثرين من الصحابة / 6814