Give one word substitution for the following: A hater of women.

Step-by-Step Explanation
To identify the correct one-word substitution for "a hater of women," we analyze the etymology and definitions of the provided options:

Analyze the phrase: The phrase describes someone who holds a prejudice or deep-seated dislike against women.

Evaluate the options:

Misanthrope: A person who dislikes humankind and avoids human society.

Misogynist: Derived from the Greek words "miso" (hating) and "gyne" (woman). This is the precise term for someone who hates women.

Mercenary: A person primarily concerned with making money at the expense of ethics; often used to describe soldiers hired to serve in a foreign army.

Philanthropist: A person who seeks to promote the welfare of others, especially by the generous donation of money to good causes. This is the direct opposite of a misanthrope.