Members of the public (social justice sociopaths) who feel compelled to targeted commuters on subway/mass transit lines to give up their seats to perceivably more deserving people, and if rejected, proceeds to take pictures of these commuters to shame on social media, often conveniently leaving out other more able-bodied commuters who are just as able to give up their seats, because then there will be nothing to post on social media.

When you eat dirt for the first time and leave your family to build a shack in the woods