Mandaeism (Classical Mandaic: ࡌࡀࡍࡃࡀࡉࡉࡀ ; Arabic: المندائيّة ), sometimes also known as Nasoraeanism or Sabianism, is a Gnostic, monotheistic and ethnic religion. Its adherents, the Mandaeans, revere Adam, Abel, Seth, Enos, Noah, Shem, Aram, and especially John the Baptist. Mandaeans consider Adam, Seth, Noah, Shem and John the Baptist prophets with Adam being the founder of the religion and John being the greatest and final prophet. The Mandaeans speak an Eastern Aramaic language known as Mandaic. The name 'Mandaean' comes from the Aramaic manda, meaning knowledge. Within the Middle East, but outside their community, the Mandaeans are more commonly known as the (singular: ), or as Sabians (, ). The term is derived from an Aramaic root related to baptism. The term Sabians derives from the mysterious religious group mentioned three times in the Quran. The name of this unidentified group, which is implied in the Quran to belong to the 'People of the Book' (), was historically claimed by the Mandaeans as well as by several other religious groups in order to gain legal protection () as offered by Islamic law. Occasionally, Mandaeans are also called "Christians of Saint John". According to Jorunn Jacobsen Buckley and other scholars who specialize in Mandaeism, Mandaeans originated about two thousand years ago in the Palestine region and subsequently moved east due to persecution. Others claim a southwestern Mesopotamia origin. However, some scholars take the view that Mandaeism is older and dates back to pre-Christian times. Mandaeans assert that their religion predates Judaism, Christianity, and Islam as a monotheistic faith. Mandaeans believe that they are the direct descendants of Shem, Noah's son, in Mesopotamia and they also believe that they are the direct descendants of John the Baptist's original Nasoraean Mandaean disciples in Jerusalem. The core doctrine of the faith is known as (also spelled and meaning Nasoraean gnosis or divine wisdom) (Nasoraeanism or Nazorenism) with the adherents called (Nasoraeans or Nazorenes). These Nasoraeans are divided into (priesthood) and (laity), the latter derived from their term for knowledge manda. Knowledge (manda) is also the source for the term Mandaeism which encompasses their entire culture, rituals, beliefs and faith associated with the doctrine of . Followers of Mandaeism are called Mandaeans, but can also be called Nasoraeans (Nazorenes), Gnostics (utilizing the Greek word gnosis for knowledge) or Sabians. The religion has primarily been practiced around the lower Karun, Euphrates and Tigris, and the rivers