Esther had not showed her people - This might have prejudiced her with the king; for it was certainly no credit at the Persian court to be a Jew; and we shall find from the sequel that those who were in the Persian dominions were far from being reputable, or in a safe state. Besides, had her lineage been known, envy might have prevented her from ever having access to the king.
The Persians had no special contempt for the Jews; but, of course, they despised more or less all the subject races. Esther, with her Aryan name, may have passed for a native Persian.