How is John the Baptist’s role presented in the Gospel According to Luke?

In the Gospel According to Luke, the role of St. John the Baptist is presented as the forerunner of Jesus Christ and the inaugurator of the time when prophecy is fulfilled.1

Unlike the Gospel of Matthew, which identifies John as a returning Elijah, Luke focuses on his function as a herald. The narrative structure of Luke’s infancy account highlights this relationship by presenting the births of John and Jesus in parallel, featuring corresponding angelic annunciations, conceptions, and hymns that predict their respective destinies. This portrayal emphasizes their connection even before birth, as the unborn John recognizes the unborn Jesus as his Lord during the Visitation.1

Furthermore, Luke highlights John’s ethical teachings, noting his call for justice and charity, which requires righteousness from all people. By framing John as the one who prepares the way, Luke reconciles the historical fact of Jesus’ baptism by John with the author’s theological belief in Jesus’ status as the Messiah and Son of God.21