Great idea — love it. Soon you’ll have a way to edit your own player noun the same way that you can edit place nouns, and that’s where you’ll be able to do that!
Could be done with BLOCK, but you could also maybe have a little fun with it, too:
ON DANCE
RESPOND You attempt to dance with Bix, but he deftly out-maneuvers you. He then slips you a small card which reads: “I do not dance.”