resolution :p
To have an argument called Debate
A forum is a place of debate not a place for sales.
It's called a 'Topic'.
Parliament
parliament
Resolution
Eristic
polis
In the UK he is called the Speaker of the House of Commons.
The person who asks the questions at a debate is called the moderator. Their role is to facilitate the discussion, keep speakers on track, and ensure that the debate runs smoothly.
The room where senators debate is called the Senate chamber.