debater
/dəˈbeɪtə
/noun
A person who argues about a subject, especially in a formal manner: he is a skilled debater and has a deep command of the issues...
- Success will hang on the debaters' ability to exploit this divisive topic.
- As Gould once noted, the truth is only one weapon, seldom the best, in a debater's arsenal.
- He won prizes, and acquired a reputation as a debater and translator.
