Esther 9:24

because Haman the son of Hammedatha the Agagite, the enemy of all the Jews, had plotted against the Jews to destroy them, and had cast Pur, the lot, to finish them and to destroy them.

Esther 3:5-13

And when Haman saw that Mordecai did not bow nor worship him, then Haman was full of wrath.

Esther 9:10

they killed the ten sons of Haman the son of Hammedatha, the enemy of the Jews. But they did not lay their hands on the spoil.

Treasury of Scripture Knowledge

Summary

Because Haman the son of Hammedatha, the Agagite, the enemy of all the Jews, had devised against the Jews to destroy them, and had cast Pur, that is, the lot, to consume them, and to destroy them;

Bible References

The enemy

Esther 9:10
they killed the ten sons of Haman the son of Hammedatha, the enemy of the Jews. But they did not lay their hands on the spoil.
Esther 3:5
And when Haman saw that Mordecai did not bow nor worship him, then Haman was full of wrath.

Pur

Esther 3:7
In the first month, that is, the month Nisan, in the twelfth year of King Ahasuerus, they cast Pur, the lot, before Haman from day to day, and from month to month, to the twelfth month, the month Adar.