﴿ إِنَّ ٱلَّذِينَ ٱشْتَرَوُا۟ ٱلْكُفْرَ بِٱلْإِيمَٰنِ لَن يَضُرُّوا۟ ٱللَّهَ شَيْـًۭٔا وَلَهُمْ عَذَابٌ أَلِيمٌۭ ﴾

“Verily, they who have bought a denial of the truth at the price of faith can in no wise harm God, whereas grievous suffering awaits them.”

Those who purchase unbelief at the price of faith that is taking it in place of it they will not hurt God at all with their unbelief and there awaits them a painful chastisement alīm means mu’lim ‘painful’.