We should talk about every body and any body, and also some body and no body, wherever we can. These terms are very clear, but user, troll, sysop, community, registered user, bunch of IP numbers that seem to say kind of the same things are not.
No body = bots, corporations, ideologies, God
Some body = alive and able to feel something, and we care about it, e.g. humans, orang-utans, whales
Any body = any body who counts as some body, indefinite article, inclusive.
Every body = all the some bodies together with no no bodies included
Body politic = those bodies we care to represent