Explanation:

- Astronomer: A scientist who studies celestial objects, space, and the universe. Their work is based on physics and mathematics, not on mystical or occult sciences.

- Numerologist: ? This is the correct term for someone who studies the occult meanings of numbers and their supposed influence on human life. Numerology often involves interpreting numbers to gain insights into personality, life events, and even the future.

- Prophet: A person who is regarded as an inspired teacher or proclaimer of the will of a deity. Often associated with religious or spiritual contexts, not specifically with numbers.

- Astrologer: A person who studies the position and movements of celestial bodies in relation to human affairs. While similar in mysticism, astrology focuses on stars and planets, not numbers.