An enemy or foe is a relativist term for an entity, whether an individual or a group, that is seen as forcefully adverse or threatening. The concept of an enemy has been observed to be "basic for both individuals and communities". The term "enemy" serves the social function of designating a particular entity as a threat, thereby invoking an intense emotional response to that entity. The state of being or having an enemy is enmity.

"Enemy" is a strong word, and "emotions associated with the enemy would include anger, frustration, envy, jealousy, fear, distrust, and possibly grudging respect". As a political concept, an enemy is likely to be met with hate, violence, battle and war. The opposite of an enemy is a friend or ally. Because the term "the enemy" is a bit bellicose and militaristic to use in polite society, informal substitutes are more often used. Often the substituted terms become pejoratives in the context that they are used. In any case, the designation of an "enemy" exists solely to denote the status of a particular group of people as a threat, and to propagate this designation within the local context. Substituted terms for an enemy often go further to meaningfully identify a known group as an enemy, and to pejoratively frame that identification. A government may seek to represent a person or group as a threat to the public good by designating that person or group to be a public enemy.

Jacob Benjamin "Jake" Gyllenhaal ( /ˈdʒɪlənhɔːl/ JIL-ən-hawl; born December 19, 1980) is an American actor. The son of director Stephen Gyllenhaal and screenwriter Naomi Foner, Gyllenhaal began acting at the age of ten. Following his first lead role in 1999's October Sky, he starred in the indie cult hit Donnie Darko (2001), in which he played a psychologically troubled teenager alongside his older sister, actress Maggie Gyllenhaal. In 2004 he appeared in the science-fiction film The Day After Tomorrow, portraying a student caught in a cataclysmic global cooling event. He then played against type as a frustrated Marine in Jarhead (2005). The same year his role as Jack Twist in Brokeback Mountain earned him critical acclaim and an Academy Award nomination for Best Supporting Actor. He has since played the lead roles in many notable films, including Zodiac (2007), Prince of Persia: The Sands of Time (2010) and Source Code (2011).

Gyllenhaal has promoted various political and social causes. He has appeared in Rock the Vote advertising, campaigned for the Democratic Party in the 2004 U.S. presidential election, promoted environmental causes, and campaigned on behalf of the American Civil Liberties Union.

Sir Ben Kingsley, CBE (born Krishna Pandit Bhanji;Gujarati:કૃષ્ણા પંડિત ભાનજી; 31 December 1943) is an English actor who has won an Oscar, BAFTA, Golden Globe and Screen Actors Guild awards in his career. He is known for starring as Mohandas Gandhi in the film Gandhi in 1982, for which he won the Academy Award for Best Actor. He is also known for his performances in the films Schindler's List (1993), Sexy Beast (2000), House of Sand and Fog (2003), and Hugo (2011).

Kingsley was born Krishna Pandit Bhanji in Snainton, North Yorkshire, England, the son of Anna Lyna Mary (née Goodman), an actress and model, and Rahimtulla Harji Bhanji, a medical doctor.

Kingsley's father, born in Kenya, is of Gujarati Indian descent; Kingsley's paternal grandfather was a spice trader who had moved from India to Zanzibar, where Kingsley's father lived until moving to England at the age of 14. Kingsley's mother, born out of wedlock, was "loath to speak of her background". Kingsley's maternal grandfather was believed by the family to have been a Russian or German Jew, while Kingsley's maternal grandmother was English and worked in the garment district of East London.