1. 驾驶员;司机;驾车者
The driver of a vehicle is the person who is driving it.
e.g. The driver got out of his van.
司机从货车上下来。
e.g. ...a taxi driver.
出租车司机
2. 驱动程序
A driver is a computer program that controls a device such as a printer.
e.g. ...printer driver software.
打印机驱动软件
名词驾驶员，司机; 驱动器，驱动程序; 驱逐者，驱赶者; （高尔夫球）球棒