Translation of erschüttern

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.
Everyone has the right to get a second chance, the option to live in reconciled circumstances. The environment has so much influence on us that we need to be aware of it even in very hard times.
The express ferry took us to Macau, a Portuguese colony near the Chinese Guangdong province. Although the distance is not short the express ferry gets there in one hour and is totally modern and reliable.