Both Uses

dragoon
in
The Count of Monte Cristo
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However, as he was a favorite with Cucumetto, as he had for three years faithfully served him, and as he had saved his life by shooting a dragoon who was about to cut him down, he hoped the chief would have pity on him.†
Chpt 33-34 *
"I tell you it is too late; early this morning the telegraph was employed, and at this very minute"— "Sir," said the valet de chambre, entering the room, "a dragoon has brought this despatch from the minister of the interior."†
Chpt 99-100

Definitions:

(1) (dragoon as in: the dragoon charged)
a member of a European military unit formerly composed of heavily armed cavalrymen
(2) (dragoon as in: dragoon the worker)
coerce or force someone into doing something; or subjugate by imposing troops
(3) (meaning too rare to warrant focus)