As a domain expert in the realm of fictional narratives, particularly in the world of "Pirates of the Caribbean," I can provide a detailed account of how the character Jack Sparrow became cursed. The curse in question is a central plot element in the first film of the series, "The Curse of the Black Pearl." It is a supernatural affliction that transforms the cursed into undead creatures, living forever yet unable to enjoy the pleasures of life, such as food or drink, unless the curse is lifted.

**Step 1: The Curse Begins with Bootstrap Bill Turner**
The curse originates from the treacherous actions of Bootstrap Bill Turner, Will Turner's father. When the pirate crew of the Black Pearl, led by Captain Barbossa, discovers the treasure of the Isla de Muerta, they are initially overjoyed. However, they soon realize that the treasure is cursed. The Aztec gold coins, when taken, place a curse upon the one who steals them. Bootstrap Bill, driven by greed, takes a coin for himself, thereby incurring the curse.

**Step 2: Captain Jack Sparrow's Betrayal and the Curse**
Jack Sparrow, once a member of the Black Pearl's crew, is betrayed by Barbossa and his men, who marooned him on a deserted island with a compass that points to what one most desires. Jack's most desired object is the Black Pearl itself. In an attempt to reclaim his ship, Jack devises a plan that involves deceiving Will Turner and Elizabeth Swann. During the course of the film, Jack, with the intention of killing Barbossa and taking control of the Black Pearl, takes a cursed Aztec coin from the treasure pile. This act places the curse upon him as well.

Step 3: The Monkey, Jack
The third entity to become cursed is a monkey named Jack, who steals a doubloon out of greed, viewing it as a treasure. The monkey's actions are symbolic, reflecting the theme of greed that runs throughout the series and is a common cause for the curse's infliction.

The Curse's Impact and Resolution
The curse affects not only the individuals who have stolen the coins but also their entire crew. The cursed pirates become undead, skeletal figures when the moon is full, and they suffer from an insatiable hunger that can never be fulfilled due to their undead state. The only way to break the curse is to return the stolen coin to its rightful place in the chest from which it was taken.

In the film's climax, Elizabeth Swann, who has learned the truth about the curse, takes a cursed coin from Will Turner and throws it back into the chest, effectively breaking the curse for the entire crew of the Black Pearl. However, this act also means that the individual who took the coin last, in this case, Will Turner, becomes cursed instead.

The narrative of the curse and its lifting is a rich tapestry of betrayal, greed, and the quest for freedom, all set against the backdrop of the high seas and the age of piracy. It serves as a cautionary tale about the consequences of one's actions and the lengths one might go to for power and wealth.

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It was the personal choice of stealing one. Bootstrap Bill takes a coin (with greed, as treasure) and is cursed. ... Captain Jack Sparrow later takes a coin off the pile (with the bad intention of killing Barbossa) and is cursed. Finally Jack (the monkey) steals a doubloon (with greed, as treasure) and is cursed.read more >>