@GENERALAO,
HR manager is incharge of planning, directing and coordinating the administrstive function of an organization. They oversee the recruitment,interviewing and hiring new staff; consult with top managenents on strategic planning and most of all Hr manager serves as a link between the organization's management and it's employes.
As for the staff, they support the hr manager by screening, interviewing and testing applicants, notify the staff of opportunities, maintain personal records of new hired, transfer termination traking company benifets programs for each employee.