Esther 9:24

For Haman the son of Hammedatha the Agagite, the enemy of all the Jews had plotted against the Jews to destroy them, and he had cast pur, that [is] the lot, to rout them out and destroy them.

Esther 3:5-13

And Haman saw that Mordecai was not kneeling and bowing down to him, and he was filled [with] anger.

Esther 9:10

the ten sons of Haman, the son of Hammedatha, the enemy of the Jews; but they did not {touch} the plunder.

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
the ten sons of Haman, the son of Hammedatha, the enemy of the Jews; but they did not {touch} the plunder.
Esther 3:5
And Haman saw that Mordecai was not kneeling and bowing down to him, and he was filled [with] anger.

Pur

Esther 3:7
In the first month, that [is], the month of Nisan, in the twelfth year of King Ahasurus, he cast pur--that [is], the lot--before the presence of Haman {for the day and for the month}, until the twelfth month, that [is], the month of Adar.