1) Deist 2) Heretic 1) Deist 2) Nonreligious person 3) One who rejects dogma 
• (n.) One who speculates or forms opinions independently of the authority of others; esp., in the sphere or religion, one who forms opinions independently of the authority of revelation or of the church; an unbeliever; -- a term assumed by deists and skeptics in the eighteenth century.
A freethinker rejects authority and dogma, especially in his religious thinking, preferring rational inquiry and speculation.
Free'think`er noun One who speculates or forms opinions independently of the authority of others; esp., in the sphere or religion, one who forms opinions independently of the authority of revelation or of the church; an unbeliever; -- a term assumed by deists and skeptics in the eighteenth century. «...
a person who forms opinions on the basis of reason, independent of authority or tradition, esp. a person whose religious opinions differ from established belief.