What answer are you looking for? Reinforcement is only possible between members of the same confederacy, no exceptions on this server.
As for PDs, I have nothing against PDs. I have played with some and I have played as one. My PDs were always members of the same confederacy I was, no exceptions.
I understand the language barrier but unfortunately this is unavoidable and it's not about the language per se. I will not accept an account into our alliance without talking to the owner to avoid multiaccounts. Fortunately, our alliance has good diversity of languages so most of the time I can find a core player who will speak the language. My advice would be to suggest the same to your alliance leadership - find a player they know and trust to do an interview or screening or whatever the process is with your PD.