Translation of guardabarros

When I saw the small plane I did not feel all to good about flying back to Cancun. It had only twenty four seats and was driven by propeller, which made a lot of noise. Fortunately the weather was good.
Certainly, in a healthy mind, these feelings should not arise from bad thoughts. Not only the thought but also the reaction which arises and develops from this thinking is racism. Do you understand?
This province was only one mile away from China and one could see the border control. From there it was a bus ride up the hill, about an hour or so passed and we arrived at our final destination.