Translation of gravedigger in German

I am asking you to give me a reply as soon as possible so that we can proceed. Have you ever tested the new version? Many users are waiting for it, and are sending me lots of emails about it.
I think that it is easy to find new students, as many of them have already visited schools in Switzerland or Germany, but most of them have been to Berlin. Spanish learning is less common these days.
I once had a lesson with a private teacher, but unfortunately she could not come regularly. She was always sick, then I have visited a school in Andalusia, which was worthless, since we talked only German.