The answer is: Zadok

1 Kings 1:39 - Zadok the priest anointed Solomon as king, solidifying his reign and fulfilling God's promise to David. Remarkably, Zadok's lineage continued with priestly duties, linking him to the New Testament hope found in Hebrews 7, where Jesus is called a priest in the order of Melchizedek, emphasizing the eternal priesthood.

The anointing of Solomon by Zadok the priest is not just a ceremonial act but a deep-rooted symbol of divine selection and purpose in ancient Israel. This moment in 1 Kings illustrates the fulfilling nature of godly promises, emphasizing that tasked leadership and priestly duties intertwine. Zadok, an influential figure and descendant from the line of Levi, played a pivotal role. His priestly lineage hints at the enduring nature of God’s covenant with the people—a thread that stretches all the way to the New Testament.

Despite Zadok being a key player in Solomon's narrative, it’s fascinating to consider the broader cultural context. Anointing with oil, a sacred practice, signified being chosen and empowered by God. This method became a practice echoed throughout Scripture, marking kings, prophets, and at times, contributing to the rituals of the New Testament, further demonstrating continuity in God’s unfolding plan.

The mention of Melchizedek in Hebrews 7 is also riveting. He, an unlikely figure in Scripture, represents a priesthood that precedes and exceeds traditional bounds. The fusion of Zadok’s legacy and Melchizedekical order feeds the hope and spiritual intrigue within the biblical narrative. Just as David's line ultimately opened the door for many future leaders, so too does the legacy of Zaok invite readers to appreciate how divine intentions pulsate underlying human history, reshaping cultural understanding for generations to come.