20 But Esther had kept secret her family background and nationality just as Mordecai had told her to do, for she continued to follow Mordecai’s instructions as she had done when he was bringing her up.

Read Esther 2:20 Using Other Translations

Esther had not yet shewed her kindred nor her people; as Mordecai had charged her: for Esther did the commandment of Mordecai, like as when she was brought up with him.
Esther had not made known her kindred or her people, as Mordecai had commanded her, for Esther obeyed Mordecai just as when she was brought up by him.
Esther continued to keep her family background and nationality a secret. She was still following Mordecai’s directions, just as she did when she lived in his home.