A person who advocates Pantisocracy, or who belongs to a Pantisocratic community; specifically a prospective member of the Pantisocracy which Coleridge and Southey proposed to establish in Pennsylvania in the 1790s.
Origin
Late 18th century; earliest use found in Robert Southey (1774–1843), poet and reviewer. From pantiso- + -crat, after aristocrat, democrat, etc.