gon
my reason to become a hunter is to meet my father and show's him that im a great hunter like him.
killua
actually I do not have a solid reason to become a hunter but I just want to catch the thrill of the exam.
kurapica
I want to be a hunter because I want to take revenge to the group called ryodan (eye's turn's to red ) who massacre my tribe just because of their beautiful scarlet eye's and if I am a hunter I will gather fast information about them.
leorio
being a hunter mean's having an opportunity to become rich and if I am a hunter I will take medicine as my course for free and if I pass it I will be a doctor I don't like to see people suffering from any ailment's because they have no money.