A Congressman or Congresswoman (generically, Congressperson) is a politician who is a member of a Congress. In countries with a parliament rather than a congress, "MP" (Member of Parliament) is used instead, however this can be adopted, see below. A politician is an individual involved in politics. ... A congress is a gathering of people, especially a gathering for a political purpose. ... An aerial view of Parliament of India at New Delhi. ... A Member of Parliament, or MP, is a representative elected by the voters of an electoral district to a parliament; in the Westminster system, specifically to the lower house. ...

Since the United States legislature is bicameral, there are 3 different titles for legislators: Representative (Member of the House of Representatives, Senator (Member of the United States Senate), and finally Congressman (Member of the Congress, used most often when dealing with a group of both upper and lower house men); the term "Congressman/woman" is more often used to address a member of the House, for example "Hello Congressman Saxton." In government, bicameralism is the practice of having two legislative or parliamentary chambers. ... The United States House of Representatives is one of the two houses of the Congress of the United States. ... A senate is a deliberative body, often the upper house or chamber of a legislature. ... Seal of the Senate The United States Senate is one of the two chambers of the Congress of the United States, the other being the House of Representatives. ... Jim Saxton Hugh James Jim Saxton (born January 22, 1943), American politician, has been a Republican member of the United States House of Representatives since 1984, representing the Thirteenth Congressional District of New Jersey from 1984 to 1993 and the Third Congressional District from 1993 (map). ...

"Member of Congress"

American political scientists, in a further effort to clarify the issue, now use the term "Member of Congress" (MC), to refer to members of both houses, and use Senator and Representative when referring to members of either specific chamber. "Congressman/woman/person" is further at a disadvantage as it must be modified depending on the gender. Member of Congress, Senator, Representative all have the advantage of being gender neutral. The term helps people in countries with Parliaments understand the titles in the United States. Political science is a social science discipline that deals with the theory and practice of politics and the description and analysis of political systems and political behavior. ... Non-sexist language (gender-generic, gender-inclusive, gender-neutral, or sex-neutral language) is language that attempts to refer neither to males nor females when discussing an abstract or hypothetical person whose sex cannot otherwise be determined, as opposed to sexist language, which attempts to refer to males. ...