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

A person who preaches religion and is considered to be a messenger of God.

Prophet

The most appropriate one-word substitution for the given group of words is prophet.

• Volunteer means a person who freely offers to take part in an enterprise or undertake a task.
• Prophet means a person regarded as an inspired teacher or proclaimer of the will of God.
• Scholar means a specialist in a particular branch of study, especially the humanities.
• Atheist means a person who does not believe in the existence of a god or gods.

The word prophet is the most appropriate because it specifically refers to someone who is considered to be a messenger of God. The other words do not have the same connotation of religious authority.