This is because God is the Lord of those who believe, while the disbelievers have no lord.
ذٰلِكَ بِأَنَّ اللَّهَ مَولَى الَّذينَ ءامَنوا وَأَنَّ الكٰفِرينَ لا مَولىٰ لَهُم
zaalika bi annal laaha mawlal lazeena aamanoo wa annal kaafireena laa mawlaa lahum