Stylite
A stylite (Ancient Greek: στυλίτης (stylitēs) "pillar dweller", derived from στῦλος (stȳlos) "pillar" and Classical Syriac: ܐܣܛܘܢܝܐ (astˁonāyā) or pillar-saint is a type of Christian ascetic who lives on pillars, preaching, fasting and praying. Stylites believe that the mortification of their bodies would help ensure the salvation of their souls.