Hypercritic and Opponent

Hypercritic noun - A person given to harsh judgments and to finding faults.

Opponent and hypercritic are semantically related. In some cases you can use "Opponent" instead a noun "Hypercritic".

Opponent noun - One that takes a position opposite another in a competition or conflict.

Hypercritic and opponent are semantically related. Sometimes you can use "Hypercritic" instead a noun "Opponent".