Translation of erotisch

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.
Once they see a foreign person, their primitive thoughts come up and they start to hate and dislike without any actual reason. Whose fault is this hate? Is the fault of the ones who are afraid.
Honk Kong was intense. We liked it on the one hand, but after coming from South East Asia, it seemed a little boring to us. What I mean is that it is more Western and less exciting for us.