This is the 8907th most frequent Russian word.
противник
Opponent; adversary.
Here, 'противник' means 'opponent', referring to a competitor in a contest or sport.
Он был моим главным противником в шахматном турнире.
He was my main opponent in the chess tournament.
In this sentence, 'противник' is used to signify 'adversary', highlighting a conflict between two entities.
Ее противник был силен, но она справилась.
Her adversary was strong, but she managed.
Here, 'противник' signifies someone who opposes an idea or initiative, indicating a disagreement in viewpoints.