question #2 Sahih al-Bukhari 3504, Book 61, Hadith 14 : What is the significance of having Allah and His Apostle as protectors for certain tribes?

Allah’s Messenger (ﷺ) said, “The tribe of Quraish, the Ansar, the (people of the tribe of) Julhaina, Muzaina,
Aslam, Ashja’, and Ghifar are my disciples and have no protectors except Allah and His Apostle.”