A horseman is a man who is riding a horse, or who rides horses well.
例句
Gerald was a fine horseman.杰拉尔德是个出色的骑手。
英汉词典释义
n.
骑手〔师〕
I was dressed as a horseman at the ball.在舞会上我装扮成骑士。He told us the legend of the ghostly horseman.他给我们讲幽灵骑士的传说。He was the first to spy the horseman in the distance.他最先看到出现在远处的骑者。