Noahite Judaism is a form of Noahism whereby the 7th Noahite law concerning Justice is upheld only through faith in the revelation of the Laws at Mount Sinai. Noahites who practice Noahite Judaism rather than any other form of Noahism are called 'Ha-Gerim' or Hasidei Umot HaOlam. Thus, Noahite Judaism is the religion of Ha-Gerim (Hasidei Umot HaOlam).