Yap.Town

le compère

partner, accomplice, fellow, mate

k ɔ̃ . p ɛ ʁ
noun · masculine Rare #51,439
partner, accomplice Can refer to a partner in a scheme; also used familiarly to address or describe a man, often with a slightly old-fashioned feel.
FR: Il est venu avec son compère.
EN: He came with his partner.
fellow, mate Familiar, and often slightly old-fashioned.
FR: C’est un joyeux compère.
EN: He’s a cheerful fellow.

Et cette fois, pas de compère pour la couper.

And this time, no accomplice to cut it.

— Le Bon, la Brute et le Truand (1966)

Compère !

Old friend!

— The World (2004)

Quel joyeux compère.

What a jolly fellow.

— La vie est belle (1997)

Maintenant que je sais tout, mon compère !

Now that I know everything, my friend!

Sounds similar to

concert k ɔ̃ . s ɛ ʁ