Sahih Muslim Book 31, Hadith Number 6120.

Chapter : The merits of the tribes of Ghifir, Ashia’, Muzaina, Tamim, Daws and Tayyi.

Abu Ayyub reported Allah’s Messenger (may peace be upon him) as saying: The tribes of Ansar, Muzaina and Juhaina and Ghifar and Ashja’ and those from Banu ‘Abdullah, they are my friends amongst the people and Allah and His Messenger are their protectors.