Representative gets along with logs (5)

I believe the answer is:

agent

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'representative' is the definition.
(agent is a kind of representative)

I cannot understand how the remainder of the clue works.

(Other definitions for agent that I've seen before include "Negotiator" , "One acting on behalf of another" , "Operative" , "Vehicle" , "Actor" .)

I've seen this clue in the Irish Times (Crosaire) and the Irish Times.

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