[Allah] is a guardian over them,” meaning: He preserves their deeds for them until He recompenses them for them. “And you are not a manager over them,” meaning: a guardian who holds them accountable and recompenses them for their deeds.
Tafsir of Surah Ash-Shura from verse 7 to verse 10.
حَفِيظٌ عَلَيْهِمْ﴾ أَي: يحفظُ عَلَيْهِم أَعْمَالهم؛ حَتَّى يجازيهم بهَا ﴿وَمَا أَنتَ عَلَيْهِم بِوَكِيلٍ﴾ بحفيظ تحاسبهم وتجازيهم بأعمالهم.
تَفْسِير سُورَة الشورى من الْآيَة ٧ إِلَى آيَة ١٠.