Crossword Genius

He has contrived renown pointlessly (5)

Ross

I believe the answer is:

owner

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'he has' is the definition.
(I've seen this before)

I cannot understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for owner that I've seen before include "Possessor, proprietor" , "Keeper" , "One that secured" , "possessive type" , "Man of property" .)

I've seen this clue in The Globe and Mail.
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