A person who actively participates in physical sports, especially with great skill; a sportsperson.
An exceptionally physically fit person.
A participant in a group of sporting activities which includes track and field, road running, cross country running and racewalking.
She's the first athlete in her sport to obtain a corporate sponsor.
One who opposes another physically (in a fight, sport, game, or competition).
The participant who opens an academic debate by putting forward objections to a theological or philosophical thesis.
One who opposes another; one who works or takes a position against someone or something; one who attempts to stop the progress of someone or something.
One who opposes another in words (in a dispute, argument or controversy).
One who is opposed or objects (to a policy, course of action or set of ideas).