Kidnapped

Kidnapped is a movie starring Michael Caine, Trevor Howard, and Lawrence Douglas. In eighteenth century Scotland, during the Jacobite Rebellion, David Balfour claims his inheritance from his uncle who has him shanghaied on a ship...
Scottish orphan David Balfour is betrayed by his wicked uncle Ebeneezer, who arranges for David to be kidnapped and sold into slavery so that he cannot claim his inheritance. The boy is rescued and befriended by Alan Breck, a Scottish rebel fighting on behalf of his country's independence from the British.