A Persian king had numerous cup-bearers, each of whom probably discharged the office in his turn.
Related Commentaries of Nehemiah 1:11
Nehemiah 1:11
11 O Lord, I beseech thee, let now thine ear be attentive to the prayer of thy servant, and to the prayer of thy servants, who desire to fear thy name: and prosper, I pray thee, thy servant this day, and grant him mercy in the sight of this man. For I was the king's cupbearer.