My daughter is so beautiful. She worked as a cashier and foreman in a big hotel. Many people said this is an unfair occupation?

It is sheer nonsense to equate career with improper relationships. According to such people, as long as the job involves contact with the opposite sex, there will be an improper relationship. This person is purely jealous or has impure motives. You must be careful with such villains. You should know your own daughter best. If she is not the kind who is particularly vain and worships money, most girls still know how to love themselves.