وَهُمْwahumAnd theyعَلٰىʿalāoverمَاmāwhatيَفْعَلُونَyafʿalūnathey were doingبِالْمُؤْمِن۪ينَbil-mu'minīnato the believersشُهُودٌۜshuhūdunwitnessesThey were witness to what they did to those who acknowledge.