his/her boyfriend; his/her friend
J'ai juste vu son copain Stepan s'approcher de lui.
I just saw his friend Stepan walk up to him.
— Quand passent les cigognes (1957)
She breaks up with her boyfriend.
Son copain l'a fait pour elle.
Her boyfriend did it for her.
He's her boyfriend.
Son copain à l'école, Steve Madden.
Her boyfriend at school, Steve Madden.
— Le Loup de Wall Street (2013)
Her boyfriend.
Son copain de l'armée, du bureau culturel.
Her boyfriend from the army, from the cultural office.
— Still Life (2006)
Faizal est resté dormir chez son copain.
Faizal stayed over at his friend's place.
— Gangs of Wasseypur : 1ère partie (2012)
I work with his boyfriend.
Elle pense se séparer de son copain.
She is thinking of breaking up with her boyfriend.