Debater n. : One who debates; one given to argument; a disputant; a controvertist.

Example:
How do you become a good Debater?

Taxonomy
speaker, debaters, affirmative, speech, debates, first speaker, policy debate, IPDA, parliamentary debate, judges, United States, participants, presidential debates, research, evidence, debate format, rebuttal, high schools.

Defination from the web:
debaters. ... Furthermore, although the main goal of the debater is to persuade the judge, IPDA also awards the best speakers within each tournament. ...