Select the most appropriate one-word substitution for the given group of words.

A person who renounces a religious or political belief or principle.

Apostate

The most appropriate one-word substitution for a person who renounces a religious or political belief or principle is apostate.

• Arsonist means a person who deliberately sets fire to property.
• Anarchist means a person who believes in the abolition of all government and authority.
• Agnostic means a person who believes that it is impossible to know whether or not God exists.