This document discusses human resource management. It defines human resource management as the science and art of obtaining, developing, and maintaining competent staff so that organizational goals can be achieved. It also discusses the roles and responsibilities of human resource managers, which include motivating employees, managing conflict, staffing, and training. Additionally, it compares traditional and strategic approaches to human resource management and some of the key differences between them. Finally, it outlines some current issues and challenges in human resource management, such as automation, developing employees with new skills, and managing employees with limited technology competencies in the era of Industry 4.0.