Agoraphobic (noun)

A person who has a fear or aversion to open or public places.

Origin:

From the greek word "agora" meaning marketplace or public place, and "phobia" meaning fear or aversion to.

Examples:

1. He was an agoraphobic and avoided going out in public.
2. She was an agoraphobic and had a fear of open spaces.
3. The agoraphobic person felt safe only in the familiar surroundings of home.
4. Agoraphobia can lead to severe social isolation for the agoraphobic person.
5. The agoraphobic person sought treatment to help overcome their fear.