Lofty sportsman? (5)

I believe the answer is:

skier

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'sportsman?' is the definition.
(someone who skis)

I can't explain the rest of the clue.

(Other definitions for skier that I've seen before include "needs catching on way down" , "Sportsman who glides over snow" , "Winter sports athlete" , "High ball; Alpine sportsman" , "he's possibly going downhill quickly" .)

I've seen this clue in the Evening Standard.

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