imitator

US /ˈɪm.ə.teɪ.t̬ɚ/
UK /ˈɪm.ə.teɪ.t̬ɚ/
1.

người bắt chước

a person who copies someone or something that they think is good:

:
The difference between Ms. McArthur and her countless imitators is the elegance of her writing.