a bhui or a bhuva is some1 who deals wit spritual problems
they get possessed by all sorts of matajis and other devs and they heal the sick and deal with all sorts of problems bhaks may have associated wit mataji or devs etc interpret dreams etc
they perform the goro gumva ritual when some1 does the lotas (mainly bhuys dat get randal maa)
dats the basic of wot i know