Translation of serf in German

A little latter we came back to our home and Leonard offered me to take me around the city with his motorbike. I could not refuse although I am a little scared by these vehicles, as they are dangerous.
The place I have been to is famous for its many language schools. People come from all over the world to learn Spanish and practise their language skills. I guess there are more than two hundred schools there.
I was the only one at the beach, as it was too early and all the party people were still sleeping. After that I hired a motorcycle in order to drive around the island. I never drove before that.