theophilanthropist

from The Century Dictionary.

• noun One who practises or professes theophilanthropism.
• noun One of a society formed at Paris in the period of the Directory, having for its object the establishment of a new religion in place of Christianity, which had been abolished by the Convention. The system of belief thus attempted to be established was pure deism.

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

• noun (Eccl. Hist.) A member of a deistical society established at Paris during the French revolution.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun an advocate of theophilanthropism