How does Christ fulfill his priestly office?

The priestly office of Christ is primarily fulfilled through the concept of Him offering Himself as a perpetual sacrifice. In Christian theology, particularly as articulated in the New Testament, Jesus is recognized as the perfect high priest who mediates between God and humanity. He accomplishes this by making a singular, all-sufficient sacrifice—His own life for the sins of humanity. This act is seen as fulfilling the Old Testament sacrificial system, where animals were offered for sin. Unlike those sacrifices, which were temporary and repeated, Christ’s sacrifice is eternal and complete, meaning it does not need to be repeated.

This understanding aligns with passages in the Book of Hebrews, which emphasizes that Christ's sacrifice was once for all and that through it, He has provided redemption for humanity. Therefore, His role as a priest is not only about making sacrifices but also about the uniqueness and finality of the sacrifice He offered. This understanding captures the essence of His priestly work and is foundational for comprehending the Christian faith's view of redemption and intercession.