﴿ لِيُوَفِّيَهُمْ أُجُورَهُمْ وَيَزِيدَهُم مِّن فَضْلِهِۦٓ ۚ إِنَّهُۥ غَفُورٌۭ شَكُورٌۭ ﴾

“since He will grant them their just rewards, and give them yet more out of His bounty: for, verily, He is much-forgiving, ever-responsive to gratitude.”

that He may pay them in full their rewards the reward for their mentioned deeds and enrich them out of His bounty. Truly He is Forgiving of their sins Appreciative of their obedience.