Fear of divine judgment (khawf min su' al-hisab)

وَٱلَّذِينَ يَصِلُونَ مَآ أَمَرَ ٱللَّهُ بِهِۦٓ أَن يُوصَلَ وَيَخْشَوْنَ رَبَّهُمْ وَيَخَافُونَ سُوٓءَ ٱلْحِسَابِ

And those who join that which Allāh has ordered to be joined and fear their Lord and are afraid of the evil of [their] account,