It has been narrated on the authority of Ibn Juraij that the Qur'anic injunction:" 0 you who believe, obey Allah, His Apostle and those in authority from amongst You" (iv. 59) -was revealed in respect of 'Abdullah b. Hudhafa b. Qais b. Adi al-Sahmi who was despatched by the Prophet (ﷺ) as leader of a military campaign. The narrator said: He was informed of this fact by Ya'la b. Muslim who was informed by Sa'id b. Jubair who in turn was informed by Ibn Abbas.