'Steward' in the Bible

Ziba, the steward in charge of Saul's household, and 1,000 descendants of Benjamin accompanied him, along with Ziba's fifteen sons and 20 servants. They rushed toward the Jordan River ahead of the king

According to the king's decree the drinking was not compulsory because the king instructed every steward in his house to serve each individual what he desired.

"Come, go to this steward, to Shebna who is in charge of the household, and ask him: "What are you doing here, and who are your relatives here that you could carve out a grave for yourself here cutting out a tomb at the choicest location, chiseling out a resting place for yourself out of solid rock?