Commissioner is a title reserved for individuals with authority to oversee or regulate certain activities or entities. Synonyms for commissioner include supervisor, overseer, controller, manager, director, chief, head, administrator, governor, steward, and trustee. These terms typically denote a person who is responsible for making decisions, setting policies, and directing the operations of a company, organization, or government agency. Commissioners are often appointed by higher authorities, such as the president, governor, or mayor, and serve as crucial liaisons between the governing body and the entity they oversee. Regardless of the title, commissioners are expected to demonstrate leadership, vision, and a commitment to serving the public interest.