This document discusses Jesus as the supreme ruler and king over his spiritual kingdom, the church. It describes how one becomes a citizen of Jesus' kingdom by hearing and believing the gospel, repenting of sins, confessing faith, and being baptized. As citizens of God's kingdom, believers have Jesus as their king, heaven as their home, fellow Christians as family, and the promise of eternal life. The document encourages readers to make Jesus their lord by obeying him in order to prove their love and ensure salvation.