Translation of boson in German

Our day came to an end and Samu brought us back to the hotel. We agreed to take a ride with him one more time and that was on the way to the airport. We took his cellphone number just in case.
Our fisherman stopped the boat and his nine year old girl opened a box with souvenirs, clothes and hats. We were in the middle of a river not going anywhere and had to start buying things.
I wanted to share the itinerary of our short backpacking trip in South America. My wife and I are both working, so that we did not have months to travel. Our trip started in Madrid, on September 30.