[Regarding His saying,] "Indeed, over My servants," meaning: those who meet Allah as believers, "you have no authority," to lead them astray, "And sufficient is your Lord as a Guardian," meaning: as a protector and defender for His believing servants.
﴿إِن عبَادي﴾ يَعْنِي: مَنْ يَلْقَى اللَّهَ مُؤْمِنًا ﴿لَيْسَ لَك عَلَيْهِم سُلْطَان﴾ أَنْ تُضِلَّهُمْ ﴿وَكَفَى بِرَبِّكَ وَكِيلا﴾ أَيْ: حِرْزًا وَمَانِعًا لِعِبَادِهِ الْمُؤْمِنِينَ.