In this treatise, Ibn Rajab deals with the topic of the Strangers, or Al-Ghurabaa. He begins by listing the many ahaadith reported about them, in which the Messenger of Allah describes their attributes and explains their position. They are given this name because they will be strange during the Last Days, due to their adherence to the Sunnah and to the Way of the First Muslims, the Salaf As-Saalih.