Tafseer Ibn Kathir of AL ANFAAL [56]

الَّذِينَ عَاهَدتَّ مِنْهُمْ ثُمَّ يَنقُضُونَ عَهْدَهُمْ فِي كُلِّ مَرَّةٍ وَهُمْ لاَ يَتَّقُونَ

The ones with whom you made a treaty but then they break their pledge every time, and they do not fear Allah .