The early assembly of David's loyalists includes figures who would eventually shape the spiritual leadership of the nation. Long before he became the renowned High Priest serving alongside Abiathar, Zadok joined David's camp during these formative years [רלב״ג]. At the time of his arrival, he was still very young, yet he had already earned a reputation as a mighty and capable warrior [רד״ק, מצודת דוד]. His young age explains his position within the ranks; unlike established figures such as Jehoiada, Zadok did not yet hold an official leadership title [רש״י].
However, his youth did not reflect a lack of influence. Zadok arrived at David's camp accompanied by a distinguished group of twenty-two officers from his extended family. This impressive entourage highlights his elevated social standing and the deep-rooted prominence of his household. This strong, prestigious background laid the foundation for his future role, serving as the underlying reason why the High Priesthood was ultimately removed from Abiathar and permanently entrusted to Zadok [רש״י].