Answer:
The disorder is agoraphobia, the experience is a panic attack.
Step-by-step explanation:
The fear of situations where the person believes that the environment they are in is somehow unsafe and they cannot escape it. The environment can be any place it might be anything outside a person's home.
Here, Mr. Belshy cannot leave a certain region near his house and does not want to experience the same situation in a car or bus. Hence Mr. Belshy has agoraphobia and the thing he experiences is a panic attack.