Q 34: What is the ruling pertaining to one who denies one of the aforementioned rites, or acknowledges them but neglects them out of arrogance and pride?
A--- He should be killed as a disbeliever, who is not different from any of those beliers and arrogant ones such as Iblis (Satan) and Pharaoh.
Reference: 200 FAQ On Muslims Belief - Shiekh Hafiz Ibn Ahmed Al Hakami