Proper conduct is defined in relation to ones actions vis vis this deity. As a result, proper conduct in Fiji is proper conduct on Michigan Avenue in Chicago, and vice versa. On a basic and general level, this is quite true. A liar would still be lying were his mouth moving in Atlanta instead of Tokyo. But, this reduces people to general, paper doll cut-out creatures.
Life is a bit more complicated than that.
Many familiar with anthropology, or who have been to any New Age bookshop, are aware that many Native American nations had very rich and profound religious traditions, unique to their land, language and people. Shinto is an expression of the soul of Japan. Not often thought of as a Folk Religion, Judaism fulfills the same function for the Jews. One who professes Judaism is generally thought of as Jewish, a distinct and recognizable ethnic heritage, much as a Navajo, Inuit or Mohawk is heir to a distinct cultural heritage. So, if satr is a Folk Religion, it's gotta have a Folk.