Translation of eröffnen

A bystander who watched the entire scene all the time decided to help me. He was an older man, around seventy, but nonetheless he went to the oldest of these kids and slapped him. The boy was sixteen.
Language education is very important to me, because I really want to communicate with other cultures and people. If I could I would learn all languages: Spanish, German, French, Portuguese and Italian.
I had imagined my first dinner to be a little different, but I was already here and wanted to make the best out of it. So i ate there and return to my hostel at around ten o'clock at night.