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