1 Corinthians 8:12

12Thusοὕτωςthenδὲsinningἁμαρτάνοντεςagainstεἰςtheτοὺςbrothersἀδελφοὺςandκαὶwoundingτύπτοντεςtheirαὐτῶντὴνconscienceσυνείδησινbeing weakἀσθενοῦσανagainstεἰςChristΧριστὸνyou sinἁμαρτάνετε.

And thus sinning against the brothers and wounding their conscience, [it] being weak, you⁺ sin against Christ.