WordNet: arguer, debater

someone who engages in debate

• hypernym controversialist, disputant, eristic

• hyponym devil's advocate

• hyponym confuter, disprover, rebutter, refuter

• hyponym wrangler

arguer

• (englanti) argue (derivationally related)

• (englanti) argue (derivationally related)
• (suomi) keskustelija (synonyymi)

debater

• (englanti) debate (derivationally related)

• (englanti) debate (derivationally related)
• (suomi) väittelijä (synonyymi)