kaipo'i
A guy with a big brain and a bigger bank account. He probably knows more about your body than you do and charges you for it.
My cousin is a kaipo'i. He knows more about my body than my mom does.
That guy who fixed my leg and charged me $500 is a kaipo'i.
My neighbor’s dad is a kaipo'i. He can fix your brain and your bank account at the same time.