The conspiracy of Zimri - Elah’s “servant” (i. e., “subject”) - was favored by his position, which probably gave him military authority in the city, by the absence of a great part of the people and of the officers who might have checked him, at Gibbethon 1 Kings 16:15, and by the despicable character of Elah, who, instead of going up to the war, was continually reminding men of his low origin by conduct unworthy of royalty.
Steward - The office was evidently one of considerable importance. In Solomon’s court it gave the rank of שׂר śar, prince. In Persia the “steward of the household” acted sometimes as a sort of regent during the king’s absence.