Congressman
Part of speech: noun
Definition: A male member of congress. A male member of the House of Representatives
Example sentence: It's amazing to me that people have any interest in such a low-level sex scandal. If I were sleeping with a congressman, maybe, but I'm a nobody and the people I'm writing about are nobodies.
Representative
Part of speech: adjective
Definition: Typical; having the same properties of interest as a larger group.
Part of speech: noun
Definition: One who may speak for another in a particular capacity, especially in negotiation.A member of a legislative or governing body who represents a constituency.One that is taken as typical of a body of individuals.A member of the US House of Representatives.A designated member of an equivalence class.
Example sentence: The president felt that it was important to send an ordinary citizen to experience the excitement of space travel as a representative for all Americans.