Old Testament readings use the Septuagint , the Scripture the apostles quoted. Masoretic numbering shown for reference.Learn why
LXX

Esther 4:14

For if thou shalt refuse to hearken on this occasion, help and protection will be to the Jews from another quarter; but thou and thy father's house will perish: and who knows, if thou hast been made queen for this [very] occasion?

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