Translation of incongruous in German

So she and I went to the food store to buy some lunch. However, the store had almost no food and one could pay in local currency or in US dollars. One could really see the country's poor economy.
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.
My wife joined me two hours later and everybody went to breakfast. The plan for the day was to visit a cave on one of the islands. We took smaller boats to get there as the ship was too large to approach the island.