Substitute most appropriate word for following from the given options:
somebody that foretells the coming of something

harbinger

The most appropriate word for somebody that foretells the coming of something is harbinger.

• Harbinger means a sign or warning that something is about to happen.
• Pantheon is a temple dedicated to all the gods of a particular religion.
• Conventicle means a secret or unauthorized religious meeting.
• Contrite means feeling or showing sincere regret or remorse for one's wrongdoing.