Al-Hashr 59:7 ما افاء الله على رسوله من اهل القرى فلله وللرسول ولذي القربى واليتامى والمساكين وابن السبيل كي لا يكون دولة بين الاغنياء منكم وما اتاكم الرسول فخذوه وما نهاكم عنه فانتهوا واتقوا الله ان الله شديد العقاب ٧

The Fai' and how it is spent

Allah the Exalted explains the regulations for Fai', the booty that the Muslims acquire from the disbelievers, without fighting them or using cavalry and camelry in war against them. For instance, the booty collected from Bani An-Nadir was not acquired because of fighting