St. Christopher is a Christian saint known as the patron saint of travelers. According to legend, he was a giant who helped people cross a dangerous river. One day, he carried a child across, who revealed himself as Jesus Christ, making Christopher realize the importance of serving others. His feast day is celebrated on July 25, and he is often depicted in art carrying the child on his shoulders. Many people wear St. Christopher medals for protection during their travels. His story emphasizes faith, strength, and the value of helping those in need.