So in other words, this legacy is such a total bitch that they don't think she can get through one party without being rude and turning off other rushees? If so, why would you guys bid such a person, legacy or not? (I'm assuming you're under total and can do this, if not, that's yet another problem.)
You need to call your CPH area advisor
immediately. To even ask for this sort of thing is so beyond the pale I can hardly believe it's real.
http://www.npcwomen.org/college-panh.../advisors.aspx