Human mammals with opposable thumbs with white skin tone. Yep, white people. Especially those that believe they are superior due to the color of their skin.
Look at those alt-right, mayonnaisemonkeys, trying to pretend they're superior!
A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.