'Steward' in the Bible

The Lord God of Hosts said: “Go to Shebna, that steward who is in charge of the palace, and say to him:

"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?