Jehoiada

Jehoiada is named here as Benaiah's father — his identity as a priest gives context to why his son Benaiah, despite extraordinary feats of valor, served in a bodyguard role rather than among the top tier of combat commanders.

Jehoiada is identified here as the prince of the house of Aaron who arrives at Hebron with 3,700 Levitical warriors — the priestly tribe's formal participation in making David king.

Jehoiada is taking decisive action, secretly recruiting five military commanders into a covenant — the careful, courageous first move of his long-planned operation to restore the rightful king.

Jehoiada is functioning here as the real power behind the throne — the priest who rescued Joash as a baby, raised him in the Temple, and now arranges his marriages and stabilizes his rule.

Jehoiada is named here as Jehosheba's partner in the six-year concealment — the priest who kept the secret and bided his time, sustaining the child who would reclaim the throne.

Jehoiada appears here as the essential influence behind Joash's good record, raising the question the text plants quietly: what happens to the king when the priest is gone?

Jehoiada is named here only as Benaiah's father, establishing the priestly lineage behind one of David's most capable military officers.

Jehoiada is named as Benaiah's father, establishing his lineage from Kabzeel — the family connection grounds Benaiah's identity before the text launches into his legendary deeds.