What do you call a co-worker these days? Neither teammate nor confederate will do, and partner is too legalistic. The answer brought from academia to the political world by Henry Kissinger and now bandied in the boardroom is colleague. It has a nice upper-egalitarian feel, related to the good fellowship of collegial.
One of the things that's great about New York is that it is not a one-industry town. It has education academia the service industry arts publishing theater politics fashion finance as well as movie-making.
In almost every profession - whether it's law or journalism finance or medicine or academia or running a small business - people rely on confidential communications to do their jobs. We count on the space of trust that confidentiality provides. When someone breaches that trust we are all worse off for it.