different between highlier vs highflier

English

highlier

highflier (plural highfliers)

A person who or a type of aircraft that flies at high elevations.
(idiomatic) An ambitious person, especially one who takes risks or has an extravagant lifestyle.
- c. 1711, Jonathan Swift, Some Remarks Upon A Pamphlet, Entitl'd, A Letter To The Seven Lords Of The Committee, Appointed To Examine Gregg
  under the appellations of Tory, Jacobite, highflier, and other cant words
(fishing) A vertical pole used in commercial fishing to locate the beginning and end of a long fishing line.

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