3 verses have
“guardian”
in Edition Clear Qur'an by Talal Itani / Al-An'aam (The Cattle)
6:61He is the Conqueror over His servants, and He sends guardians over you, until, when death overtakes one of you, Our envoys take him away, and they never fail.
6:104“Insights have come to you from your Lord. Whoever sees, it is to the benefit of his soul; and whoever remains blind, it is to its detriment. I am not a guardian over you.”
6:107Had God willed, they would not have practiced idolatry. We did not appoint you as a guardian over them, and you are not a manager over them.
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Those who spend their wealth by night and day, privately and publicly, will receive their reward from their Lord. They have nothing to fear, nor shall they grieve.
The Holy Quran · Al-Baqara (The Cow) · 2:274