A “Congressman” is an archaic gendered term for a member of the United States House of Representatives. You really ought to stop using it. Here’s why.
From the US Constitution:
“All legislative Powers herein granted shall be vested in a Congress of the United States, which shall consist of a Senate and House of Representatives.”
Clumsio-gendered terms such as Congressman Congresswoman, Congressperson, and Congresscritter actually have no meaning. They do not refer to specific members of a body of congress, but rather, the set of individuals who are either Senator or Representative.
Note that the terms Senator and Representative are not gendered.
Why are we using gendered terms when we have non-gendered terms staring us in the face, wondering why we are not using them?