Biblical Reference:
The account of the one leper who returned is found in the Gospel of Luke 17:11-19. This narrative is a significant illustration of gratitude, faith, and the recognition of Jesus' divine authority.

Context and Setting:
The event takes place as Jesus is traveling along the border between Samaria and Galilee. This geographical detail is crucial, as it sets the stage for the interaction between Jesus and the ten lepers, highlighting the cultural and religious tensions of the time. The lepers, ostracized due to their condition, stand at a distance and cry out for mercy, acknowledging Jesus as "Master."

The Miracle:
In response to their plea, Jesus instructs the lepers to go and show themselves to the priests, a directive in accordance with the Mosaic Law for those seeking to be declared clean (Leviticus 14:2-32). As they obey and proceed on their way, they are miraculously healed. This act of healing underscores Jesus' authority over physical ailments and His fulfillment of the Law.

The One Who Returned:
Among the ten, only one leper, upon realizing his healing, returns to Jesus. This man is identified as a Samaritan, a detail that emphasizes the unexpected nature of his gratitude, given the historical animosity between Jews and Samaritans. The Samaritan's return is marked by loud praises to God and a posture of humility as he falls at Jesus' feet, expressing profound thankfulness.

Jesus' Response:
Jesus acknowledges the Samaritan's act of gratitude with a poignant question: "Were not all ten cleansed? Where then are the other nine?" (Luke 17:17). This rhetorical question highlights the ingratitude of the others and serves as a lesson on the importance of recognizing God's work in one's life. Jesus then tells the Samaritan, "Rise and go; your faith has made you well" (Luke 17:19). This statement not only affirms the physical healing but also suggests a deeper spiritual restoration, as the word "well" can imply salvation or wholeness.

Theological Implications:
The narrative of the one leper who returned is rich with theological significance. It illustrates the universal scope of Jesus' ministry, extending grace beyond ethnic and religious boundaries. The Samaritan's response exemplifies true faith, characterized by gratitude and worship. This account challenges believers to reflect on their own responses to God's blessings and to cultivate a heart of thankfulness.

Lessons for Believers:
The account serves as a reminder of the importance of acknowledging God's work in our lives. It calls believers to a posture of gratitude, recognizing that faith is not merely about receiving blessings but also about responding to them with worship and thanksgiving. The Samaritan's example encourages Christians to transcend cultural and societal barriers in their expressions of faith and gratitude.