Then Esther summoned Hathach, one of the king’s eunuchs appointed to her, and she dispatched him to Mordecai to learn what was troubling him and why.
So strictly did the laws of Persia confine the wives, especially the king's wives, that it was not possible for Mordecai to have a conference with Esther about this important affair, but divers messages are here carried between them by Hatach, whom the king had appointed to attend her, and it seems he was one she could confide in. I.
Commenting on Esther 4:5-17
Then called Esther for Hatach, one of the king's chamberlains, whom he had appointed to attend upon her,.... Which, according to the Targum, was Daniel (a); but it is not likely that Daniel should have lived to this time; however, this officer was not only intrusted with the care of the queen by the king, but she had also an high opinion of him, and...
Then called Esther for Hatach, one of the king's chamberlains, whom he had appointed to attend upon her--Communication with the women in the harem is very difficult to be obtained, and only through the medium of the keepers. The chief eunuch receives the message from the lips of the queen, conveys it to some inferior office of the seraglio.