What's staff ?I think
staff is who are appointed / designated in accordance with the expertise to carry out a task in-charge him. So based on the above can be stated that the task of the staff are: to provide service and advice to managers / leaders in accordance with the expertise they have.
What's is Karyawan ?Employee is a person who works at a company or institution and get a paycheck. Employees are also often referred to as a laborer because the system works the same