Translation of unsafe in Spanish

OK, I've understood the overall picture. I'm a little doubtful about how to detect the copyright issues, but I guess it's better to talk again after I received the first excel sheet. It is alright, I am seeing it as an extra measure.
I think it's a good idea to fly to Antigua to a language school. I feel more confident with the grammar in Spanish. Perhaps it would be better if the school would arrange the accommodation.
The best would be if we meet on the corner of Lafayette and Spring street. This is pretty much at the end of the road. There, on the left side, is a large parking lot where you can place the car.