['Just Leimorne' isn't an answer! Maybe if he goes ahead and explains a little more the word will seem a little less weird though, so why not.]

They're people who have the power to turn into beastmen, so they're a lot stronger than normal humans. They're good at manual labour and their culture used to be pretty advanced... I think. A friend of mine told me about them since I didn't know much about them myself at first.