Translation of Gelegenheitsarbeiter

Two weeks ago I met a girl from Indiana and she told me that she was really sorry but that she would have no knowledge about Europe, Africa or Asia and that it was only due to lack of information on TV.
They are not used to live together with other religions and cultures and they do not know how to coexist. In each region people assume things about others, but in some regions the hatred grows.
The days before I left to Mexico and Cuba I started to track the hurricanes in the region. September was not the ideal time to visit the region, but it fitted the best according to my previous boss.