Matthew Poole and continuators on Esther 4:8

8 Also he gave him the copy of the writing of the decree, that was given at Shushan to destroy them, to shew it unto Esther, and declare it unto her, and to charge her that she should go in unto the king, to make supplication unto him, and to make request before him for her people.

Not only in his own name, to whom she manifested a singular respect, though his relation to her was yet unknown, but also in the name of the great God.