Hmm. This makes things tricky. Carlos would have to do something significant to win him over (maybe tell him his name, considering Initiate's real name is Kurloz. Haha /bad joke. Anyway). The thing is Initiate has no idea who Carlos is and without a legitimate fear of capitol to dig out (like "what might they do to loved ones, me, etc." something that would inspire a desire to see Capitol go down) Initiate won't know if Carlos is a viable option. :c

If Carlos can win him over though (and is careful enough so that Initiate doesn't just kill him, because he's a murderclown) Initiate will share with him. He will very likely supplant an extra fear to keep quiet and not sell him out for anything though. And depending on how you want it, he could also erase Carlos' memory on where exactly the info came from so the Initiate's own tracks are covered- but this would only be with an "okay" on your part.

If this can be worked out, the log is up here for whenever you want in.

(Be weary of the consequences, even the kindest of voodoo-ing has nasty side effects.)