A manager plays a crucial role in any organization, and their responsibilities are multifaceted. The primary duties of a manager include planning, organizing, leading, and controlling. Planning involves setting goals and determining the best course of action to achieve them. Organizing requires arranging resources and tasks in a structured manner to ensure efficiency. Leading entails motivating and guiding team members to meet organizational objectives. Lastly, controlling involves monitoring performance and making necessary adjustments to stay on track with goals.