Translation of Niederlassung

I try to learn English as much as possible so that I can travel next year to the United States. I would agree to your proposal but I also need to find good teachers. My goal is quality and speed.
I have not been in eastern Germany for a long time, because I have never really had time to travel. What do you do for living and in your leisure time, like the weekends and evenings.
Thank you for your answer, my English is not very good, but it should be fun to learn together, don't you think? Generally, studying alone is no fun at all. So how do we proceed? How's it going?