Esther 2:20

20 As for Esther, she had still not let it be known that she was Jewish. Mordecai had told her not to tell anyone, and she obeyed him in this, just as she had obeyed him when she was a little girl under his care.

Esther 2:20 In-Context

18 Then the king gave a great banquet in Esther's honor and invited all his officials and administrators. He proclaimed a holiday for the whole empire and distributed gifts worthy of a king.
19 Meanwhile Mordecai had been appointed by the king to an administrative position.
20 As for Esther, she had still not let it be known that she was Jewish. Mordecai had told her not to tell anyone, and she obeyed him in this, just as she had obeyed him when she was a little girl under his care.
21 During the time that Mordecai held office in the palace, Bigthana and Teresh, two of the palace eunuchs who guarded the entrance to the king's rooms, became hostile to King Xerxes and plotted to assassinate him.
22 Mordecai learned about it and told Queen Esther, who then told the king what Mordecai had found out.
Scripture taken from the Good News Translation - Second Edition, Copyright 1992 by American Bible Society. Used by Permission.