Select the option that can be used as a one-word substitute for the given group of words.

One who studies the occult meanings of numbers and their supposed influence on human life

Numerologist

The word that can be used as a one-word substitute for "one who studies the occult meanings of numbers and their supposed influence on human life" is numerologist.

• Astronomer studies celestial objects, such as stars, planets, and galaxies.
• Numerologist studies the occult meanings of numbers and their supposed influence on human life.
• Prophet predicts the future, often based on religious or spiritual beliefs.
• Astrologer studies the positions of the stars and planets to predict future events.

Numerologist is the most appropriate word for the given group of words because it specifically refers to someone who studies the occult meanings of numbers. It is derived from the Latin word numerus, meaning "number."