Final answer:
John the Baptist said he was not worthy to loosen the sandal straps of Jesus Christ, which symbolized his humility and acknowledgement of Jesus' greater role.
Step-by-step explanation:
The question refers to a biblical figure, namely John the Baptist. In the Christian tradition, as found in the New Testament of the Bible, John the Baptist says he is not worthy to loosen the sandal straps of Jesus Christ. This is a statement that signifies John's humility and recognition of Jesus' higher status and divine mission. It was John's way of telling the people that his role was to prepare the way for someone greater than himself, who was Jesus, the one who would come after him and whose sandals he was not worthy to untie.