The task of Saul is to proclaim Jesus as the Christ before people who have not heard. The focus of his proclamation will be Gentiles and the people of Israel (1 Corinthians 9:19–23). In Acts 25:23–26:29 we read of his proclamation before a king (political ruler).
15 Mais le Seigneur lui dit: Va, car cet homme est un instrument que j'ai choisi, pour porter mon nom devant les nations, devant les rois, et devant les fils d'Israël;