[3:68] Surely the people with the best claim, Abraham, are those who followed him, and this Prophet, and those who believe; and God is the Protector of the believers.
When whims (ahwāÌ) and blameworthy innovation (bidʿ) scatter and each faction ends up in error, and the people of truth in every era, time and moment hold to the best proof, then they will be a single party and they will be the best protectors of one another. Abraham was a follower of truth and whoever professes his religion - like our Messenger (ṣ) and his community - belongs to the religion of Abraham (ʿa), which is the profession of the unity (tawḥī?) of God (swt).
And God is the Protector (walī) of the believers because they have been entrusted with His religion and they conform to His unity. The friendship (walāya) of God can only be through aid (ʿawn), help (nuṣra), selection (takhṣīṣ) and nearness (qurba).