Film hero shunning Ben catches steamship with a soldier (6)

I believe the answer is:

hussar

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'soldier' is the definition.
(I know that hussar is a type of Trooper)

I cannot understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for hussar that I've seen before include "Early Hungarian cavalry man" , "Light cavalryman" , "Member of a light cavalry regiment" , "one often up on a charge" , "Horseman" .)

I've seen this clue in The Times.

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