Translation of dude in German

We spoke on Friday noon, I got your details through Vocabulix friends. That is similar to what you're teacher is using. It would be best if we could meet or communicate through phone or email.
Sometimes this is an outcome of personal problems or incidents. For example, there could be a crime commited by someone of a certain origin. The consequence could be that the victims would blame an entire community.
Yesterday we launched our online community, in which we want to bring our users together. You can find friends online who are interested in learning languages and exchange lessons and messages with them.