Step 1: Understanding the term.
A pessimist is a person who always expects the worst or looks at the negative/dark side of things.
Step 2: Analyze the options.
- Optimist: An optimist looks at the bright/positive side of things. Opposite of the given statement.
- Pessimist: Correct, as it refers to one who sees the negative side.
- Darky: Not a valid word in this context.
- (Hopeless: Means without hope, but not the exact word for one who always sees the negative side.
Step 3: Conclusion.
Thus, the correct word is “pessimist.”
Final Answer:
\[
\boxed{\text{pessimist}}
\]