Esther 2:8

2:8 It so happened that when the king’s edict and his law became known many young women were taken to Susa the citadel to be placed under the authority of Hegai. Esther also was taken to the royal palace to be under the authority of Hegai, who was overseeing the women.

Esther 3:4

3:4 And after they had spoken to him day after day without his paying any attention to them, they informed Haman to see whether this attitude on Mordecai’s part would be permitted. Furthermore, he had disclosed to them that he was a Jew.