Question: Don Bluth and Don Chaffey, have which mutual occupations?

Context paragraphs:
Standard Occupational Classification System: The Standard Occupational Classification (SOC) System is a United States government system of classifying occupations.  It is used by U.S. federal government agencies collecting occupational data, enabling comparison of occupations across data sets.  It is designed to cover all occupations in which work is performed for pay or profit, reflecting the current occupational structure in the United States.  The 2010 SOC includes 840 occupational types.

Banjo the Woodpile Cat: Banjo the Woodpile Cat is a 1979 animated short film directed by Don Bluth.  It follows the story of Banjo, an overly curious and rebellious kitten who, after getting into trouble for falling from a house to see if he could land on his feet, runs away from his woodpile home in his owners' farm in Payson, Utah by catching a truck to Salt Lake City.  Produced in a shoestring budget, and created in Bluth's garage, the film took four years to make and it was the first production of Don Bluth Productions, later Sullivan Bluth Studios.  It had a short theatrical run from December 21 to 28, 1979 at the Egyptian Theatre in Hollywood and the Peppertree Cinema in Northridge as an opening short for the holiday re-release of "The Muppet Movie", but did not appear on network television until 1982.

Council for Maintaining the Occupations: The Council for Maintaining the Occupations (French: "Conseil pour le Maintien des Occupations" ), or CMDO, was a revolutionary committee formed during the May 1968 events in France originating in the Sorbonne.  The council favored the continuation of wildcat general strikes and factory occupations across France, maintaining them through directly democratic workers' councils.  Within the revolutionary movement, it opposed the influence of major trade unions and the French Communist Party who intended to contain the revolt and compromise with General Charles de Gaulle.

Standard Occupational Listing: The Standard Occupational Classification (SOC) system is used by the United States Federal statistical agencies to classify workers into occupational categories for the purpose of collecting, calculating, or disseminating data.  All workers are classified into one of over 820 occupations according to their occupational definition.  To facilitate classification, occupations are combined to form 23 major groups, 96 minor groups, and 449 broad occupations.  Each broad occupation includes detailed occupation(s) requiring similar job duties, skills, education, or experience.

Sullivan Bluth Studios: Sullivan Bluth Studios was an American and Irish animated film production company established in 1979 by animator Don Bluth.  Bluth and several colleagues, all of whom were former Disney animators, left Disney in 1979 to form Don Bluth Productions, later known as the Bluth Group.  This studio produced the short film "Banjo the Woodpile Cat", the feature film "The Secret of NIMH", a brief animation sequence in the musical "Xanadu", and the video games "Dragon's Lair" and "Space Ace".  The Bluth Group went bankrupt in 1984, and Bluth co-founded Sullivan Bluth Studios with American businessman Morris Sullivan in 1985.

Don Chaffey: Donald Chaffey (5 August 1917 – 13 November 1990) was a British film director, writer, producer, and art director.

National Occupational Classification: Occupational Classification, or NOC, is a systematic taxonomy in English of all occupations in the Canadian labour market.  As a Canadian government publication it is concurrently published in French as Classification nationale des professions.  Organized into two volumes, it describes 923 distinct occupations in terms of aptitudes, interests, education, physical activities, and other qualifiers.  A separate index further classifies over 25,000 job titles from the listed occupations.

Don Bluth: Donald Virgil "Don" Bluth (born September 13, 1937) is an American animator, film director, producer, writer, production designer, video game designer and animation instructor.  He is known for directing animated films, such as "The Secret of NIMH" (1982), "An American Tail" (1986), "The Land Before Time" (1988), "All Dogs Go to Heaven" (1989) and "Anastasia" (1997), and for his involvement in the LaserDisc game "Dragon's Lair" (1983).  He is also known for competing with former employer Walt Disney Productions during the years leading up to the films that would make up the Disney Renaissance.  He is the older brother of illustrator Toby Bluth.

Occupational injustice: Occupational injustice occurs when occupational rights are violated, such as when people are excluded from meaningful occupations or when unpreferred occupations are imposed upon them thus limiting life satisfaction.  The construct of occupational rights stems from human rights but focuses on the inherent right of individuals to participate in occupations.  Through this participation, occupational rights contribute to fulfillment and self-actualization.

Mutual Broadcasting System: The Mutual Broadcasting System (commonly referred to simply as Mutual; sometimes referred to as MBS, Mutual Radio or the Mutual Radio Network; corporate name Mutual Broadcasting System, Inc.) was an American radio network in operation from 1934 to 1999.  In the golden age of U.S. radio drama, Mutual was best known as the original network home of "The Lone Ranger" and "The Adventures of Superman" and as the long-time radio residence of "The Shadow".  For many years, it was a national broadcaster for Major League Baseball (including the All-Star Game and World Series), the National Football League, and Notre Dame football.  From the mid-1930s and until the demise of the network, Mutual ran a highly respected news service accompanied by a variety of popular commentary shows.  During the 1970s, Mutual pioneered the nationwide late night call-in radio show and introduced the country to Larry King.

Supporting paragraphs: Don Bluth Don Chaffey
Answer: film director, writer, producer