Verb conjugation of "beladen" in German

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.
Anyway, once we arrived at the guest house the rules were explained: Washing my Jeans would be 2 dollars, a pair of socks 1 dollar and so on. I did not feel comfortable with these people.
A small boat took us to the Kayak hiring station. We took three Kayaks in total, one for the guide, one for the couple from the US and one for us. We started rowing to a hidden Bay away from the crowds.