Jesus, Our Substitute

Jesus, Our Substitute

Written by R.C. Sproul |
Saturday, April 23, 2022

The idea of being the Substitute in offering an atonement to satisfy the demands of God’s law for others was something Christ understood as His mission from the moment He entered this world and took upon Himself a human nature. He came from heaven as the gift of the Father for the express purpose of working out redemption as our Substitute, doing for us what we could not possibly do for ourselves. We see this at the very beginning of Jesus’ ministry, when He initiated His public work by coming to the Jordan River and meeting John the Baptist.

The word vicarious is extremely important to our understanding of the atonement of Christ. The late Swiss theologian Karl Barth once said that, in his judgment, the single most important word in all of the Greek New Testament is the minuscule word huper. This little word is translated by the English phrase “in behalf of.” Barth was clearly engaging in a bit of hyperbole in making this statement, because many words in the New Testament are arguably as important or even more important than huper, but he was simply seeking to call attention to the importance of what is known in theology as the vicarious aspect of the ministry of Jesus.

He made satisfaction for our debt, our enmity with God, and our guilt. He satisfied the ransom demand for our release from captivity to sin. However, there is another significant word that is often used in descriptions of the atonement: substitution. When we look at the biblical depiction of sin as a crime, we see that Jesus acts as the Substitute, taking our place at the bar of God’s justice. For this reason, we sometimes speak of Jesus’ work on the cross as the substitutionary atonement of Christ, which means that when He offered an atonement, it was not to satisfy God’s justice for His own sins, but for the sins of others. He stepped into the role of the Substitute, representing His people. He didn’t lay down His life for Himself; He laid it down for His sheep. He is our ultimate Substitute.

The idea of being the Substitute in offering an atonement to satisfy the demands of God’s law for others was something Christ understood as His mission from the moment He entered this world and took upon Himself a human nature. He came from heaven as the gift of the Father for the express purpose of working out redemption as our Substitute, doing for us what we could not possibly do for ourselves. We see this at the very beginning of Jesus’ ministry, when He initiated His public work by coming to the Jordan River and meeting John the Baptist.

Imagine the scene at the Jordan that day. John was busy baptizing the people in preparation for the coming of the kingdom. Suddenly he looked up and saw Jesus approaching. He spoke the words that later became the lyrics for that great hymn of the church, the Agnus Dei: “‘Behold! The Lamb of God who takes away the sin of the world!’” (John 1:29b). He announced that Jesus was the One Who had come to bear the sin of His people.

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