Contend a rogue has nothing to lose (5)

I believe the answer is:

argue

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'contend' is the definition.
(I know that contend can be written as argue)

I cannot understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for argue that I've seen before include "Contest verbally, dispute" , "Fabric hanging in folds" , "Quarrel or disagree" , "Heatedly exchange views" , "Dispute, disagree" .)

I've seen this clue in the Evening Standard.

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