Al ʿAbbas bin ʿAbdul-Muttalib asked the permission of Messenger of Allah ﷺ to let him stay in Mecca during the nights of Mina in order to provide the pilgrims with water to drink, so the Prophet ﷺ permitted him.
اسْتَأْذَنَ الْعَبَّاسُ بْنُ عَبْدِ الْمُطَّلِبِ ؓ رَسُولَ اللَّهِ ﷺ أَنْ يَبِيتَ بِمَكَّةَ لَيَالِيَ مِنًى مِنْ أَجْلِ سِقَايَتِهِ فَأَذِنَ لَهُ