I dunno, maybe his grammar is what caused the miscommunication in the first place.
Possibility? Yes.
Likely? No.
If you did your deal verbally, which you probably did, I pray you atleast expressed yourself correctly, grammar and spelling could screw you up if you say something you didn't mean to.
Not condoning Dimitriaz's behavior, but if you messed up, GM's won't help you cause that's what you agreed to, even if you did so unknowingly because of the language difficulties.