In Luke-Acts, Luke intentionally describes the early Jewish-Christian community in accordance with Isaiah’s prophecy for an ethical restoration of social justice in Israel. This thesis accomplishes this argument in three chapters. First, it explores Isaiah’s program of restoration and argues that it includes social justice through the Davidic Messiah and the empowerment of the Holy Spirit. Secondly, an argument is made that Luke’s presentation of Jesus accords with the Isaianic picture of a socially just Davidic king empowered by the Spirit, who works to bring social justice through his reign. Lastly, the events of Pentecost and Acts 2:42–47 with insight gathered from Acts 4:32–37, are considered. Here the argument is presented that Luke draws Isaianic themes together from his gospel to demonstrate that, in Acts, Jesus’ exaltation and the outpouring of the Holy Spirit result in Isaiah’s vision of a Jewish community restored to fruitfulness as a socially just society.