For Mordecai the Jew was second only to King Xerxes, preeminent among the Jews and highly favored by his many kinsmen, seeking the good of his people and speaking peace to all his countrymen.
We are here told, I. How great and powerful king Ahasuerus was. He had a vast dominion, both in the continent and among the islands, from which he raised a vast revenue. Besides the usual customs which the kings of Persia exacted (Ezr 4:13), he laid an additional tribute upon his subjects, to serve for some great occasion he had for money (Est 10:1): The king laid a tribute.
Commenting on Esther 10:1-3
For Mordecai . . . was next unto King Ahasuerus . . . great among the Jews, &c.--The elevation of this pious and patriotic Jew to the possession of the highest official power was of very great importance to the suffering church at that period; for it enabled him, who all along possessed the disposition, now to direct the royal influence and authority in promoting...
For Mordecai the Jew [was] next unto king Ahasuerus, and great among the Jews, and accepted of the multitude of his brethren, seeking the wealth of his people, and speaking peace to all his seed. (a) These three points are here set forth as commendable and necessary for him that is in authority to have the favour of the people, to procure their wealth, and...