Correct Answer: Scapegoat

Solution : The fourth option is correct.

Scapegoat refers to someone who is wrongly blamed or punished for the mistakes or wrongdoings of others. It encapsulates the essence of unfairly placing blame on someone.
The meanings of the other options are as follows:

• Expedition is a journey or voyage, typically for a specific purpose or goal.
• Epitome is a perfect example or representation of a particular quality or type.
• Disdain is a feeling of contempt or scorn towards something or someone.

Therefore, the correct answer is scapegoat.