As editor of the New English Weekly in the 1930s, he championed both Christian socialism, as it was known at the time, and ideas on agriculture that would come together later as organic farming.
[2] He was born in Islington, London, on 27 April 1886, the son of Charles Sylvain Mairet, a Swiss watchmaker, and his wife Mary Ann Goldsmith.
[5] He went to work in graphic design for Charles Robert Ashbee and joined his Arts and Crafts community at Chipping Campden.
[3] In An Autobiographical Compilation, he described his time serving in the Red Cross personnel in France, and catching up with Mitrinović when on leave in England.
Mairet took on work as an agricultural labourer, on the farm that Hilary Pepler and his wife had bought on the edge of Ditchling Common.
[18] From 1930 to 1934, Mairet edited with W. Travers Symons Purpose, a quarterly magazine founded in 1929, mixing Social Credit ideas with Alfred Adler's.
[19][20] In 1930 Orage was rebuffed when he offered to return to The New Age, by the controlling Anglicans who now ran it, known as the "Chandos Group", who were Christian socialists.
The editorial line, as legacy from Orage, was Social Credit in the sense of the Economic Freedom League, a faction led by H. E. B. Ludlam; and approval of Oswald Mosley.
[27] In practical terms the Chandos Group were already deeply involved in producing the New English Weekly, and were sympathetic to Social Credit.
[27] Albert Newsome, Alan Porter and Egerton Swan attended, while working up Coal: A Challenge to the National Conscience.
[32] Mairet was an early supporter of George Orwell, who wrote to the New English Weekly in May 1932, and was given a book by Karl Adam to review.
Mairet was one of the group of its supporters, with John Beckett, Ben Greene, Anthony Ludovici and many of those who formed the British People's Party (1939) shortly afterwards.
Mairet did the drawings for Ashbee's re-design of the Norman Chapel House in Broad Campden, and the 1907 commission for Thomas Shaw-Hellier's Villa San Giorgio in Taormina.
Mairet's numerous translations to English included L'existentialisme est un humanisme by Jean-Paul Sartre, and Calvin by François Wendel (1905–1972).