Duelist (noun)

A person who takes part in duels, especially as a practice in the past when they were a legally recognized form of resolving disputes.

Origin:

From french duelliste, from duel.

Examples:

1. The duellist was an expert swordsman and was feared by many.
2. The duellist was challenged to a duel by his rival.
3. Duelling was a common way to settle disputes in the 18th century.
4. The duellist always wore a rapier at his side.
5. The duellist fought with honor and was respected for his bravery.