Harry Potter

As a teenager

Is not interested in romance

Fears

Dementor

Going through body changes

Has a strong mind of justice

Is curious about his surroundings

(Can be determined with the boggart changing into one)

People making his fears bigger

Lord Voldemort

Losing his loved ones

Severus Snape

Draco Malfoy

School (Fear of getting strong punishments)

Getting lost or in the wrong way

Physically and Psicologically

A boggart is a shape-shifting, amortal being capable of transforming into the image of what its viewer fears most.

Wants knowledge

Ron's rat importance

Psychological Support

Information

Ron's owl replacement

In order to hide from the Death Eaters