In Acts 13–20, Luke shows us that the Good News of Jesus is not confined to one people, place, or culture. As Paul and his companions carry the gospel from synagogues into Gentile cities, homes, and public squares, the message of Jesus’ reign brings both joy and opposition. Outsiders rejoice, insiders resist, and the church is forced to wrestle with what it truly means to belong. From rejection and persecution to unity and transformation, Luke reveals a gospel that crosses boundaries, reshapes God’s people from the inside out, and calls every person, regardless of background, to respond to the risen King.