He's the lead guitar player in our school band.

player 是名词，由动词 play（演奏、玩耍）加上后缀 -er（表示做某事的人）构成，指"演奏者、表演者"。 lead guitar player 指乐队中担任主音吉他演奏的乐手，负责演奏主旋律或独奏部分。