Agnostic
From BiblePortal Wikipedia
Agnostic [1]
(1): (a.) Professing ignorance; involving no dogmatic; pertaining to or involving agnosticism.
(2): (n.) One who professes ignorance, or denies that we have any knowledge, save of phenomena; one who supports agnosticism, neither affirming nor denying the existence of a personal Deity, a future life, etc.