The verse says...

The verse says: “But if they repent and perform the prayer and pay the alms (zakāt), then they are your brethren in faith; and We explain the signs for the people who know.” Explanations In confronting them, observe the style of graduality and proceed step by step. At first, there is the lack of opposition: “…then leave their way free to them…” and then: “…they are your brethren in faith…”.

A true repentance is accompanied with action: “…they repent and perform the prayer…” Those who do not perform the prayer and do not pay the alms are not our brethren in faith, as the verse says: “…if… perform… and pay… then they are your brethren in faith...” The basis of a Muslim’s relations, and love and enmity, is the religion, as in the verse next to the above mentioned verse, it is said: “…if they break their oaths… then fight…” The condition of entering into the circle of ‘brethren in faith’ is prayer and alms.

You should have a brotherly treatment with a repenter. “…if they repent… then they are your brethren…” 7. Those who…