Translation of erwidern

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.
We begin to talk about 'we' and 'they', which makes us partly discriminating. As a whole, I guess that all of us have some predispositions, but the difference is, that some know how to supress it.
I took a shuttle to the ferry station and enjoyed the thirty minute busride. I wrote some SMS to my cousin who stayed on the island two years ago and she informed me about hostels and good places.