opponent

In the Chariot-Race Achilles is represented as being able to conquer every Opponent […]

It is easier to confound than to convince an opponent; the former may be effected by a turn that has more happiness than truth in it.

She was a dedicated opponent of the death penalty.

We make the argument appere slender, when we receiue it laughyngly, and declare by wordes, euen at the first, that it is nothyng to the purpose, and so abashe the opponent.