47وَلِكُلِّ أُمَّةٍ رَسولٌ ۖ فَإِذا جاءَ رَسولُهُم قُضِيَ بَينَهُم بِالقِسطِ وَهُم لا يُظلَمونَ(Saheeh International)And for every nation is a messenger. So when their messenger comes,1 it will be judged between them in justice, and they will not be wronged. To witness on the Day of Judgement. Another meaning is "Once a messenger has come [to them in this world]…"