The answer is: Melchizedek

Psalm 110:4 - This verse references Melchizedek, a mysterious figure who served as both king and priest, highlighting the dual role of authority in God's plan. His encounter with Abraham (Genesis 14:18-20) foreshadows Christ's unique priesthood, transcending Levitical traditions. The New Testament, especially Hebrews 7, elaborates on this profound connection.

Melchizedek is one of the most enigmatic figures in the Bible. He suddenly appears in Genesis as the king of Salem and a priest of God Most High, greeting Abraham with bread and wine. This intriguing dual role connects kingship and priesthood, an idea that runs deep in biblical theology.

Often considered a foreshadowing of Jesus, Melchizedek stands out not only due to his titles but also for his remarkable absence of genealogy. He seems almost to have appeared from nowhere, resembling an eternal figure whose significance stretches far beyond his few verses in Genesis. This would have made him especially poignant in a Jewish context where lineage meant everything, especially in discussing priesthood, which traditionally flowed from Aaron's line.

In Psalm 110, this connection is explicitly made, declaring a perpetual priesthood and inferring that Jesus' authority is reminiscent of Melchizedek's. Hebrews chapters 5 through 7 build on this notion by contrasting the temporary Levitical system with the everlasting nature of Christ's priesthood, linking believers directly to a more profound understanding of divine advocacy.

In fascinating trivia, many scholars speculate that Melchizedek might represent a universal priesthood transcending any single religion. His ambiguity has inspired countless mystical interpretations throughout the ages, sparking debates and searches for identity among various theological traditions. This reinforces the idea that divinity can manifest in diverse ways, calling us to explore faith beyond conventional boundaries.