Question: Jack Gold was part of a tradition whose protagonists usually could be described as what?

Context paragraphs:
Kingdom of Fanes: The Kingdom of Fanes (Ladin "Rëgn de Fanes") is the national epic of the Ladin people in the Dolomites and the most important part of the Ladin literature.  Originally an epic cycle, today it is known through the work of Karl Felix Wolff in 1932, gathered in his book "Dolomitensagen".  Until that time, this material was trasmitted orally among the Ladin people.  This legend is part of the larger corpus of the South Tyrolean sagas, whose protagonists are the Fanes themselves.

Seyahatname: Seyāḥat-nāme (Persian/Ottoman Turkish: سياحت نامه, "book of travels") is the name of a literary form and tradition whose examples can be found throughout centuries in the Middle Ages around the Islamic world, starting with the Arab travellers of the Umayyad period.  In a more specific sense, the name refers to the travel notes by the Ottoman Turkish traveller Evliya Çelebi (1611–1682).

Llawt'u: The llawt'u or llawthu (Quechua, Hispanicized spellings "llauto, llautu") was an outfit of the ruling Sapa Incas.  It was a variety of turban with the colours of the Tahuantinsuyo.  The llawt'u was traditionally woven from the wool of the vicuña with different-colored plaits.  On the front was a stripe of wool called the maskapaycha.  The symbol of the "quriqinqi" was displayed on the front.  It has been said that small dried frogs were worn under the garment as part of a tradition whose origins have been long lost.

Tallinna narrid ja narrikesed: Tallinna narrid ja narrikesed (Estonian for Big Fools and Little Fools of Tallinn) is a satirical 1892 series by Eduard Bornhöhe depicting cranks in their daily activities.  Particularly famous is the first part, "Kuulsuse narrid" ("Fools of Fame"), whose protagonists Jaan Tatikas and Saalomon Vesipruul have become well-known stereotypes in Estonian culture.

Dnyaneshwar: Dnyaneshwar or Dnyandev or simply Mauli (IAST: Jñāneśvar) (1275–1296) was a 13th-century Marathi "saint", poet, philosopher and yogi of the Nath tradition whose "Dnyaneshwari" (a commentary on the "Bhagavad Gita") and "Amrutanubhav" are considered to be milestones in Marathi literature.

Jack Gold: Jack Gold (28 June 1930 – 9 August 2015) was a British film and television director.  He was part of the British realist tradition which followed the Free Cinema movement.

The Milk Carton Kids: The Milk Carton Kids are an American indie folk duo from Eagle Rock, California, United States, consisting of singers and guitarists Kenneth Pattengale and Joey Ryan, who formed the group in early 2011.  The Grammy-nominated, flat-picking harmony duo have since emerged as a powerful voice defining the continuing folk tradition whose virtuosity defines The Milk Carton Kids to the delight of both traditionalists and newcomers to the folk movement alike.  NPR has described their approach to music as "gorgeous contemporary folk" and "Gillian Welch & David Rawlings-meets-Simon & Garfunkel with a splash of The Everly Brothers", which fairly represents the band's music while also appealing to the intended audience.  The band has recorded and released four albums: "Retrospect", "Prologue", "The Ash & Clay" and "Monterey".  The forewords to both "Prologue" and "The Ash & Clay" were written by singer-songwriter and producer Joe Henry.  The band is noted for releasing their first two albums for free and for playing their vintage guitars; Ryan playing a 1951 Gibson J-45 and Pattengale a 1954 Martin 0-15.

Kitchen sink realism: Kitchen sink realism (or kitchen sink drama) is a term coined to describe a British cultural movement that developed in the late 1950s and early 1960s in theatre, art, novels, film and television plays, whose protagonists usually could be described as "angry young men" who were disillusioned with modern society.  It used a style of social realism, which depicted the domestic situations of working class Britons, living in cramped rented accommodation and spending their off-hours drinking in grimy pubs, to explore controversial social and political issues ranging from abortion to homelessness.  The harsh, realistic style contrasted sharply with the escapism of the previous generation's so-called "well-made plays".

Kamen Rider Battle: Ganbaride: Kamen Rider Battle: Ganbaride (仮面ライダーバトル ガンバライド , Kamen Raidā Batoru Ganbaraido , "Masked Rider Battle: Ganbaride") is a combination of an arcade game and a collectible item game featuring the protagonists of the Kamen Rider Series.  The game is being released as part of the 10th anniversary of the Heisei run Kamen Rider Series by Toei, TV Asahi, Ishimori Productions, and Bandai and features heavy tie-ins with the television series "Kamen Rider Decade", whose protagonists use cards similar to those used in the game.  It is played in a similar fashion to Sega's "" and "Dinosaur King" games, and uses special Data Cardass cards released by Bandai.  The game's card input uses collectible card game terminologies, and has resemblance and functionality similarly to the Decadriver in "Decade".  As the series progresses, the game controls change to suit the new Kamen Rider.  During the airing of "Kamen Rider OOO", "Ganbaride" arcade systems included an OOO Driver interface for the toy Core Medals, and with the broadcast of "Kamen Rider Fourze", slots for the Astro Switches became available, and the system became 3 VS. 3.  With the current broadcast of "Kamen Rider Wizard", Wizard Rings are available to use, and the game has reverted to 2 VS. 2 battles.  Ever since "Kamen Rider Gaim"'s TV series airing until onwards, the game is now renamed to Kamen Rider Battle: Ganbarizing (仮面ライダーバトル ガンバライジング , Kamen Raidā Batoru Ganbaraizingu , "Masked Rider Battle: Ganbarizing") .

Russian architecture: Russian architecture follows a tradition whose roots were in war Kievan Rus'.  After the fall of Kiev, Russian architectural history continued in the principalities of Vladimir-Suzdal, Novgorod, the succeeding states of the Tsardom of Russia, the including architecture).  The great churches of Kievan Rus', built after the adoption of Christianity in 988, were the first examples of monumental architecture in the East Slavic region.  The architectural style of the Kievan state, which quickly established itself, was strongly influenced by Byzantine architecture.  Early Eastern Orthodox churches were mainly built from wood, with their simplest form known as a cell church.  Major cathedrals often featured many small domes, which has led some art historians to infer how the pagan Slavic temples may have appeared.

Supporting paragraphs: Jack Gold Kitchen sink realism
Answer: angry young men