Translation of erlöschen

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.
The belief of somebody that a race or a group of people to which he belongs is superior to another. Even though the word itself stems from the word 'race', its meaning must be generalized.
We were Lao Cai around six o'clock but the train left only at eight. I was somehow relieved though that we had all the dangerous bus journeys behind us and that we left this lovely place soon.