1) Ancient Greek seer 
Arexion was a seer (Greek μάντις, one who practices divination). He served under Xenophon with the Ten Thousand in the Persian Expedition recorded by Xenophon in his work The Anabasis. He was the presiding soothsayer during this expedition after Silanos from Ambracia deserted the army. As a soothsayer he practiced extispicy, the observance o...