protege
(fem 阴性作 protegee), n person whose welfare and career are looked after by an influential person, esp over a long period 受有权势人物提携或扶掖的人
a young protege of a famous violinist 某著名小提琴家的年轻门生
As the protege of the most powerful man in the country, his success was guaranteed. 他有该国最有势力的人作靠山, 准能成功.