This is the 273rd most frequent Norwegian word.
trener
"Trener" means "coach" or "trainer" in English.
Here, 'trener' is used as a verb meaning 'to train' or 'to exercise'.
Jeg trener hver dag for å holde meg i form.
I train every day to stay in shape.
In this sentence, 'trener' is a noun referring to a coach or trainer.
Fotballaget har en ny trener denne sesongen.
The football team has a new coach this season.
Here, 'trener' is again a verb, meaning 'to train' or 'to coach', emphasizing the action of training.