owenite

from The Century Dictionary.

• noun A follower of Robert Owen (1771–1858), a British reformer, and the father of English socialism, who advocated the formation of social communities.

from the GNU version of the Collaborative International Dictionary of English.

• noun A follower of Robert Owen, who tried to reorganize society on a socialistic basis, and established an industrial community on the Clyde, Scotland, and, later, a similar one in Indiana.