Mordecai in the Bible

A Jewish captive in Persia

Esther 2:5-6 Now in Shushan the palace there was a certain Jew, whose name was Mordecai, the son of Jair, the son of Shimei, the son of Kish, a Benjamite; 6 Who had been carried away from Jerusalem with the captivity which had been carried away with Jeconiah king of Judah, whom Nebuchadnezzar the king of Babylon had carried away.

⇒Bible Encyclopedia for MORDECAI.

Foster father of Esther

Esther 2:7 And he brought up Hadassah, that is, Esther, his uncle's daughter: for she had neither father nor mother, and the maid was fair and beautiful; whom Mordecai, when her father and mother were dead, took for his own daughter.

Informs Ahasuerus of a conspiracy against his life and is rewarded

Esther 2:21-23 In those days, while Mordecai sat in the king's gate, two of the king's chamberlains, Bigthan and Teresh, of those which kept the door, were wroth, and sought to lay hand on the king Ahasuerus. 22 And the thing was known to Mordecai, who told it unto Esther the queen; and Esther certified the king thereof in Mordecai's name. 23 And when inquisition was made of the matter, it was found out; therefore they were both hanged on a tree: and it was written in the book of the chronicles before the king.
Esther 6:1-11 On that night could not the king sleep, and he commanded to bring the book of records of the chronicles; and they were read before the king. 2 And it was found written, that Mordecai had told of Bigthana and Teresh, two of the king's chamberlains, the keepers of the door, who sought to lay hand on the king Ahasuerus. 3 And the king said, What honour and dignity hath been done to Mordecai for this? Then said the king's servants that ministered unto him, There is nothing done for him. 4 And the king said, Who is in the court? Now Haman was come into the outward court of the king's house, to speak unto the king to hang Mordecai on the gallows that he had prepared for him. ...

Promoted in Haman's place

Esther 8:1-2 On that day did the king Ahasuerus give the house of Haman the Jews' enemy unto Esther the queen. And Mordecai came before the king; for Esther had told what he was unto her. 2 And the king took off his ring, which he had taken from Haman, and gave it unto Mordecai. And Esther set Mordecai over the house of Haman.
Esther 8:15 And Mordecai went out from the presence of the king in royal apparel of blue and white, and with a great crown of gold, and with a garment of fine linen and purple: and the city of Shushan rejoiced and was glad.
Esther 10 And the king Ahasuerus laid a tribute upon the land, and upon the isles of the sea. 2 And all the acts of his power and of his might, and the declaration of the greatness of Mordecai, whereunto the king advanced him, are they not written in the book of the chronicles of the kings of Media and Persia? 3 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.

Intercedes with Ahasuerus for the Jews; establishes the festival of Purim in commemoration of their deliverance

Esther 8 On that day did the king Ahasuerus give the house of Haman the Jews' enemy unto Esther the queen. And Mordecai came before the king; for Esther had told what he was unto her. 2 And the king took off his ring, which he had taken from Haman, and gave it unto Mordecai. And Esther set Mordecai over the house of Haman. 3 And Esther spake yet again before the king, and fell down at his feet, and besought him with tears to put away the mischief of Haman the Agagite, and his device that he had devised against the Jews. 4 Then the king held out the golden sceptre toward Esther. So Esther arose, and stood before the king, ...
Esther 9 Now in the twelfth month, that is, the month Adar, on the thirteenth day of the same, when the king's commandment and his decree drew near to be put in execution, in the day that the enemies of the Jews hoped to have power over them, (though it was turned to the contrary, that the Jews had rule over them that hated them;) 2 The Jews gathered themselves together in their cities throughout all the provinces of the king Ahasuerus, to lay hand on such as sought their hurt: and no man could withstand them; for the fear of them fell upon all people. 3 And all the rulers of the provinces, and the lieutenants, and the deputies, and officers of the king, helped the Jews; because the fear of Mordecai fell upon them. 4 For Mordecai was great in the king's house, and his fame went out throughout all the provinces: for this man Mordecai waxed greater and greater. ...