Many young people want to become politicians to make a difference.

politicians 是 politician 的复数形式。politician 由词根 polit（来自希腊语，意为"城市、国家事务"）和后缀 -ician（表示"从事某种职业的人"）组成，指"从事政治活动的人"，即"政治家"或"政客"。