9-Surah At-Taubah ( The Repentance ) 10
They do not observe toward a believer any pact of kinship or covenant of protection. And it is they who are the transgressors.
لَا يَرْقُبُونَ فِي مُؤْمِنٍ إِلًّا وَلَا ذِمَّةً ۚ وَأُولَٰئِكَ هُمُ الْمُعْتَدُونَ
Quran's Tafhim ( explanation)