Answer: Jesus fulfilled, completed, obeyed the Will of God by giving Himself for our sins that He might rescue us from the present evil age, (verses 3 and 4).
MORE INFORMATION AND/OR OTHER SCRIPTURE REFERENCES:
Matthew 1:21: "She will give birth to a son, and you are to give Him the Name Jesus, because He will save His people from their sins."
John 1:29: "The next day John saw Jesus coming toward him and said, ‘Look, the Lamb of God, Who takes away the sin of the world!'"
1 Corinthians 15:3: "For what I received I passed on to you as of first importance: that Christ died for our sins according to the Scriptures..."
1 Peter 2:24: "He Himself bore our sins in His body on the tree, so that we might die to sins and live for righteousness; by His wounds you have been healed."