Given that he's been dealing with a rib injury since his arrival, Huaisang would definitely support this kind of endeavor. He doesn't have any medical experience but he is very skilled at spreading rumors and executing clandestine operations. Given his intimate occupation as a courtesan, he might be able to discreetly spread word through his patrons since he's providing his services to all factions himself. While he's working on racking up bonuses in his faction, he might slip some donations for supplies Emily's way when he can.