An imitator is someone who copies what someone else does, or copies the way they speak or behave.
例句
He doesn't take chances; that's why he's survived and most of his imitators haven't.他不冒險(xiǎn)：這就是為什么他得以幸存,而他的大部分仿效者卻沒(méi)有。...a group of Elvis imitators.一群貓王埃爾維斯的模仿者