Correct Answer: Philistine

Solution : The correct choice is the fourth option.

A philistine refers to someone who is hostile or indifferent to cultural and artistic values, especially art and literature. It's a term used to describe a person lacking appreciation for intellectual or aesthetic pursuits.

The meanings of the other options are as follows:

• Philatelist : A person who collects and studies postage stamps.
• Plagiarist : Someone who presents someone else's work, ideas, or intellectual property as their own.
• Pessimist : A person who tends to see the negative side of things or expects the worst outcome.

Therefore, the correct answer is philistine.