A manager is an individual who is responsible for planning, organizing, directing, and controlling resources (including people, finances, and materials) to achieve specific goals and objectives within an organization. Managers are often found in a variety of industries and roles, from retail and hospitality to healthcare and finance.

The responsibilities of a manager typically include setting goals and targets, creating strategies to achieve those goals, delegating tasks to team members, monitoring progress, providing feedback, and making decisions that align with the organization's mission and values. A manager may also be responsible for hiring and training staff, managing budgets, and ensuring compliance with legal and regulatory requirements.

To be an effective manager, one must possess strong leadership skills, including the ability to communicate effectively, motivate and inspire others, build relationships, and solve problems. It is also important for a manager to be able to adapt to changing circumstances, make difficult decisions, and manage conflict.

Different types of managers include first-line managers, middle managers, and top-level managers. First-line managers are responsible for managing the day-to-day operations of a team or department, while middle managers oversee several teams or departments within an organization. Top-level managers, such as CEOs and CFOs, are responsible for setting the overall strategy and direction of an organization.

In summary, a manager is responsible for leading and organizing resources to achieve specific goals and objectives within an organization. Effective managers possess strong leadership skills, are able to adapt to changing circumstances, and are committed to achieving the organization's mission and values.