وَالَّذ۪ينَwa-alladhīnaAnd those whoهُمْhum[they]عَلٰىʿalāonصَلَاتِهِمْṣalātihimtheir prayerيُحَافِظُونَۜyuḥāfiẓūnakeep a guardThose who are dedicated to their support/contact prayer.