The word(s) "erring" appears 1 time(s) in 1 verse(s) in Quran in Abdullah Yusuf Ali translation.

(1) A Book revealed unto thee,- So let thy heart be oppressed no more by any difficulty on that account,- that with it thou mightest warn (the erring) and teach the Believers).

(سورة الأعراف, Al-A'raaf, Chapter #7, Verse #2)
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