The three offices of Christ are prophet, priest, and king.
Prophets convey messages to people on behalf of God. During the days when Jesus was on earth, he conveyed the message of repentance to people. “The kingdom of heaven is at hand; You should repent."
Priests pray to God on behalf of people, and kings govern all things on behalf of God.
Deuteronomy 18:15 The LORD your God will raise up for you a prophet like me from among your brothers, and you must listen to him.
Matthew 2:6 O Bethlehem in the land of Judah, you are not the least among the cities of Judah, for out of you will come a king who will shepherd my people Israel.
Hebrews 4:14 Since we have a high priest who has ascended to heaven, Jesus, the Son of God, let us hold fast our profession.