He is undergoing psychotherapy to overcome anthropophobia.

He has anthropophobia and avoids contact with people.

He has acrophobia and is afraid to go up to the rooftop of a building.

He was able to conquer his fear.

He worked hard to overcome difficulties.

He has acrophobia and cannot go up to the rooftop of a building.

I take classes every day.

He accepted my proposal and started the project.

He has gephyrophobia, and is afraid of crossing bridges.

I'm curious about his unknown past.