'Horseman' in the Bible

Now the watchman was standing on the tower in Jezreel, and he spied the company of Jehu as he came, and said, "I see a company." Joram said, "Take a horseman, and send to meet them, and let him say, 'Is it peace?'"

the horseman mounting, and the flashing sword, the glittering spear, and a multitude of slain, and a great heap of corpses, and there is no end of the bodies. They stumble on their bodies,