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.
"At first I didn't know why the seats were all empty on this train but all the commuters were standing. Then I heard a rumor that this subway line is very popular with Subway Seat Shamers. I was told there are hundreds of pictures of passengers taken on this subway line floating around on social media. The comments were brutal."
Fogey/fogy /fougi/ sl. (early 18C+, orig. Scot) old-fashioned, stuck-in-the mud.
Person with old fashioned ideas which he is unwilling to change: Come to the disco and stop being such an old fogey!
You think me an old fogeyand an old tory, his thoughtful voice said. I saw three generations since O’Connel’s time. I remember the famine. Do you know that the orange lodges agitated for repeal of the union twenty years before O’Connel did or before the prelates of your communion denounced him as a demagogue? You fenians forget some things. (James Joyce, Ulysses. Penguin Books,1992. p. 38)