Jehu n. : A coachman; a driver; especially, one who drives furiously.

Example:
What evil queen painted her face before meeting with the rebel king Jehu?

Taxonomy
Jehu, king, Omri, 2 Kings, reign, king of Judah, 841 BC, Jezreel, free encyclopedia, the Black Obelisk, Yehu, Shalmaneser III, capital, king Jehoram, king of Israel, Nimshi, 814 BC, King Jehoshaphat.

Defination from the web:
Jehu's predecessor, Jehoram, was marked by the Battle of Ramoth-Gilead against the army of the Arameans, where Jehoram was wounded ... Jehu's companions, inquiring after the object of this mysterious visit, were told and, immediately, ... Jehu bows before Shalmaneser III. ...