He's known as a colourful navigator (4)

I believe the answer is:

eric

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

I cannot understand how the rest of the clue works.

(Other definitions for eric that I've seen before include "-- Idle; -- Morecambe" , "Blair, perhaps" , "One of pair once popular" , "Rice turned for the boy" , "..... the Red was Norwegian 10th Century exployer" .)

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

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