Hatach

And she called for Athach the eunuch, whom the king had appointed to attend upon her, and she commanded him to go to Mardochai, and learn of him why he did this.

And Athach going out went to Mardochai, who was standing in the street of the city, before the palace gate:

And Athach went back and told Esther all that Mardochai had said.

She answered him, and bade him say to Mardochai: