ذَٰلِكَ بِأَنَّ ٱللَّهَ مَوۡلَى ٱلَّذِينَ ءَامَنُواْ وَأَنَّ ٱلۡكَٰفِرِينَ لَا مَوۡلَىٰ لَهُمۡ
That is because Allah is the Maula (Lord, Master, Helper, Protector, etc.) of those who believe, and the disbelievers have no Maula (lord, master, helper, protector, etc)
Author: Muhammad Taqi Ud Din Al Hilali And Muhammad Muhsin Khan