On this Hadith, Imam An-Nawawi (RH) said:
This clearly refers to the great rights that the Muslims have over one another.
Imam Fudayl Ibn Iyaad (RH) said:
Chivalry (great nobility) is to overlook the errors of your brothers.
Support friends & be there for them.
"To proceed: if you have a brother (in faith) who is agreeable with you, then you should appreciate him as you appreciate your hearing & your sight, for a brother who is agreeable is better than a son who is contrary.
“O Noah, indeed he is not of your family; indeed, he is [one whose] work was other than righteous”
[Huud 11:46].
Aadaab al-‘Ishrah (p. 7).