Select the option that can be used as a one-word substitute for the given group of words.
One who loves mankind
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. Philanthropist.
The one-word substitute for "one who loves mankind" is "Philanthropist."
A philanthropist is someone who seeks to promote the welfare of others, typically through the donation of money, resources, or time.
The other options are not relevant:
Atheist: Someone who does not believe in the existence of deities.
Pessimist: Someone who tends to see the negative side of things.
Optimist: Someone who tends to see the positive side of things.