Crayons
Iconoclast
There's also the assumption that there are only two categories and that it's not possible to have a healthy, mutual relationship between two people without one dominating the other.
Yeah, I found it really weird when I joined an RP forum because a couple of my friends were already on there, and one of the categories you had to fill in for your character was "submissive, dominant or switch" as though ... always someone had to be dom/sub. AND it wasn't a romance/smut focused RP either although I'm p. sure smut was allowed and encouraged. I didn't end up RPing there because it was so, so, so SERIOUS and I couldn't handle it.