What are pirates?
Pirates in fiction are sailing crews seeking treasures. In fact,
they were (and still are) seagoing thieves and robbers.
(see related questions)
Video and Music Pirates
The term "pirate" is applied to people who illegally copy and
sell copyrighted music or videos. They make money by selling
"bootleg" copies without the proper payment of royalties, which in
most countries is a criminal offense.