This is the 655th most frequent Norwegian word.
motstander
Opponent.
In this sentence, 'motstander' is used to mean 'opponent', as in someone competing against the subject in a sports context.
Motstanderen spilte veldig bra i fotballkampen.
The opponent played very well in the soccer match.
Here, 'motstander' conveys the meaning of being against or opposed to a certain idea or practice.
Jeg er en motstander av dyremishandling.
I am an opponent of animal cruelty.
In this context, 'motstander' refers to someone with an opposing view or stance during a discussion or argument.