Chavante: A Language of the Amazon Basin

Every once in a while you'll see a conlang about some magical race of beings or aliens where they have all of these pronouns which make really fine distinctions. And I always think they're kind of goofy, but I was reading a paper about a language spoken in the Amazon basin that has a pronoun just use for guys who fulfill a particular job. So what's most frustrating is the person who wrote the paper is extremely coy about what this person actually does. It says they fill a special role and then they decide they want to be an Amma,. They go talk to an older Amma and they learn a special vocabulary for a bunch of words. Then from then on, people address them