noun
rider; horseman; jockey
Refers to a person who rides a horse, especially in contexts like horse racing or equestrianism. 騎手 is the most common term for a professional jockey.
彼は有名な騎手です。
He is a famous jockey.
騎手はレース前に馬の状態を確認した。
The jockey checked the horse's condition before the race.
Compound of 騎 (ki, 'riding') and 手 (shu, 'person' or 'practitioner'), literally meaning 'riding person'. The reading is on'yomi.