The correct title of the movie is "Thief." Released in 1981 and directed by Michael Mann, it stars James Caan as a professional safecracker. The term "thief" refers to someone who steals, while "theif" is a common misspelling. "Thief" accurately reflects the film's focus on crime and the life of a skilled burglar as he attempts to escape his criminal past.

In the context of the movie "Thief," a thief is defined as a person who steals, particularly someone who takes property unlawfully with the intent to permanently deprive the owner of it. The film, directed by Michael Mann and released in 1981, centers on a skilled safecracker named Frank, who navigates the criminal underworld while seeking to achieve a better life. The character's profession highlights themes of trust, betrayal, and the moral complexities of a life of crime.

"Thief" (1981), directed by Michael Mann, is widely regarded as a classic in the crime genre. Starring James Caan as a professional safecracker, the film combines a gripping narrative with a stylish visual aesthetic and a memorable electronic score by Tangerine Dream. It explores themes of loyalty, ambition, and the quest for a meaningful life amidst a criminal backdrop. Critics have praised its direction, performances, and unique atmosphere. Overall, "Thief" is considered a significant and influential film, appealing to both genre enthusiasts and general audiences.

A word for a thief is "stealer." Other synonyms include "robber," "burglar," "bandit," and "crook." In different contexts, specific terms like "pickpocket" (for someone who steals from people's pockets) or "larceny" (a legal term for theft) might also apply. The movie "Thief," directed by Michael Mann and released in 1981, follows a professional safe-cracker named Frank, portrayed by James Caan, who is deeply involved in the criminal underworld.