Translation of justo

We arrived at my Casa, a private home with an extra place that the family rented. I sat down and they gave me a drink. They explained me that they wanted me to stay at another house for some reason.
Once they see a foreign person, their primitive thoughts come up and they start to hate and dislike without any actual reason. Whose fault is this hate? Is the fault of the ones who are afraid.
We had coffee, played cards and waited for our guide. We had booked the tour with Handspan, so that we were confident that he would show up. In the end the guide was a 'she' and not a 'he'.