If he likes food and parties, then he may like Cedric banquets who is head chef at Broussard's and who likes to organize fancy dinner parties at his home about once a month. The guest list is basically a lottery since he likes to give everyone a fair chance and keep it interesting for himself and his guests. He also has a long habit of making deals with the supernatural, up to and including giving up his soul for his life, so, you know. He'll be friendly.
I also have this guy, Caleb, a witch who runs a bookstore/tourist trap (badly) and who used to know a lot of very rich people back when he lived in California. He was also part of a very powerful coven that collected knowledge and favors, and were pretty determined to become the power behind the throne in Hollywood and DC alike... until one of their own died and the band broke up. IDK if that works with what you have in mind for Malcolm, but that could be a connection as well.
My others are outforwaffles, a falcon shifter who works as a bartender at Bons Temps, alentin, a fae escort, and estimations, a werewolf accountant, because who doesn't need one of those.