It's possible there's just something about that sign up there we don't understand (well, there definitely is—what's an "unc goat"?) but it seems pretty likely they meant "traitor" there instead of "trader." Or maybe it's a Florida fan making fun of Florida State fans? Nah. Let's just go with dumb Florida State fan.
Someone Out There Wants Be To Touched By Lee Corso
Dadgum, Rinaldi, Open Your Eyes