Many fear social settings; a group of gatherings might evoke a sense of anxiety in you, and to avoid all of it, you start avoiding social settings.

This condition of social anxiety disorder troubles and torments people who don't like socializing at all.

It can be a social phobia that causes anxiety or fear in social settings.

People might have trouble talking to someone, meeting new people, and attending social gatherings.

They may feel anxious about others judging or scrutinizing them.

They may understand their fears are irrational but feel powerless to overcome them.

Social anxiety is different from shyness. Shyness can make socializing, school, and work difficult, but it doesn’t disrupt life to the same extent as social anxiety. Social anxiety is persistent and overwhelming and may affect everyday activities, such as shopping for groceries.

It's a mental health disorder because it can affect the person to the degree that they may become isolated or face other problems in real life.