Verb conjugation of "besteigen" in German

We drove towards the university where he studied and from there we drove to the hospital where he worked. He told me that there were hospitals for locals and for foreigners with different medical equipment and staff.
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.
We felt a little awkward to be the only people in the restaurant and felt a little uncomfortable having taken with us another couple. In addition the Uruguayan cook and owner was drunk, but the food was excellent.