Who Should Give The Firing Decision To A Regular Worker From A Company With 1000+ Employees?

1. The HR director
2. The boss of the team that the worker belongs to.
3. The general manager
4. Other … WHO?

What Does A Parole Officer And Social Worker And Human Resources Director Do?

people constantly tell me i should be a counsler, physcologist, teacher, parole officer, social worker or a human resources director when i grow up.
i know what most of them are but im kinda confused about what a parole offier, social woker and a human resources director does!!!
also what kind of person would fit this kind of job?
thank you so much you guys!!
=]