Invocation for someone who gives you drink or offers it to you

((اللَّهُمَّ أَطْعِمْ مَنْ أَطْعَمَنِي، وَاسْقِ مَنْ سَقَانِي)).

Allahumma atʿim man atʿamanee wasqi man saqanee.

O Allah, feed him who fed me, and provide with drink him who provided me with drink.

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