This is the 7948th most frequent Chinese word.
骑手
Rider; delivery driver/courier.
Here, '骑手' refers to a delivery person riding a motorcycle or bicycle to complete their task.
骑手正在接新的配送订单。
The rider is accepting a new delivery order.
In this context, '骑手' means an equestrian rider participating in horse-riding competitions.
这位马术比赛的冠军骑手技术精湛。
This equestrian championship rider has excellent skills.
In this instance, '骑手' denotes a person riding a bicycle casually in a park.