Превод - Гръцки-Английски - Γι'αυτό σ'αγαπάω, ρε κουμπάρα.

κουμπάρα= 1)maid of honor (during Greek wedding ceremony: the person who crosses the assimilated crowns called "stefana" above the heads of the marrying couple), 2)best man's wife, 3) your child's godmother, 4)"relative", "friend", "close friend whom we consider family".
We can't be sure about it's meaning here. I think we should mention all the definitions.

my maid of honour