那个自称是银行经理的人其实是个骗子，专门骗取老人的钱财。

The man who claimed to be a bank manager was actually an ___impostor who targeted elderly people for money.

那个自称是医生的骗子实际上从未上过医学院。

The man who claimed to be a doctor was actually an ___impostor who never attended medical school.