Translation of litigate in Spanish

We felt a little dumb and waited for the hot water. The boiler seemed not to work and we started to become upset. We asked the technician to come once again and he admitted his mistake.
However, his English was excellent and we soon found out that he was an English teacher before the war. We agreed on a price for showing us the entire area during the next 2 days. We took a nap and he picked us up later.
Lunch was given at a family-run restaurant back in the valley. The headaches disappeared once were were back at 2000 meters. From there we continued to the Salar, a salt lake, mostly arid.