A U.S. Congressman is a member of the United States Congress, which is the legislative branch of the federal government. Congress is divided into two chambers: the House of Representatives and the Senate. A Congressman specifically refers to a member of the House of Representatives, where they represent the interests of their constituents from a specific district. Each U.S. Congressman serves a two-year term and is responsible for proposing and voting on laws, as well as addressing issues that affect their district. They also participate in committees that focus on specific areas, such as finance or education, to help shape legislation and policy.