I'm not sure if it's different per instance, but in lemmy.world instance you go out to the feed and scroll to the bottom. You can search by user name and such.
semi-active: [email protected] - was a fairly-regularly-updated collection of interesting stuff, but then the main poster "disappeared", and another person took over for a bit but then there were kbin federation problems...
semi-active: [email protected] - I think the idea is to sound like a badass but to actually be wholesome?
inactive: [email protected] - basically this guy complaining about his ex-wife. feelz bad for him but it was pretty entertaining. Hasn't posted since December, hope he's OK.
It looks like a Spiritualist form of Idealism intentionally created as a means to combine with social activism. There are also Soulists on Lemmy, which is equally outside the realm of reality.