"Sapere Aude" does indeed present some interesting situations! Right now I can't think of much really comparable, although Globfish has plans to write about the life of a captive adult fairy. There's a story that Nintenfan has begun, on a similar theme (though with a very different initial approach), here. But that's with a fairy kidnapped as a very young child, so perhaps not exactly what you're looking for.
On that note, the "Felarya Park" series has predators outside their environment - but again, they were raised outside Felarya from early childhood (and most of them were never even taught to speak).