1 verse has
“étant”
in Edition Muhammad Hamidullah / Al-Israa (The Night Journey)
17:19Et ceux qui recherchent l'au-delà et fournissent les efforts qui y mènent, tout en étant croyants... alors l'effort de ceux-là sera reconnu.
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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