capitalize on something = take advantage of something

[정보원]

It is possible that societies dependent on economies of unilateral professional servicing are systematically preparing their people for antidemocratic leaders who can capitalize on dependencies created by experts, professionalized helpers, who teach people that "they will be better because we, the professional helpers, know better."

[정보원]

live off somebody = depend on somebody

She is still living off her parents.
Professionalized helpers live off their clients whom they define as deficient.