Question: What was Arthur Wakefield's brother's occupation?

Context paragraphs:
Peter Wakefield (diplomat): Sir Peter George Arthur Wakefield CMG KBE (born 13 May 1922, in London, died 1 December 2010 in Richmond, London) was a British diplomat and art fund director.  He served as a diplomat in Amman, Nicosia, Cairo, Vienna, Tokyo and Benghazi and as the United Kingdom's Ambassador in Lebanon and Belgium.  Following his retirement from the diplomatic service, Sir Peter was appointed director of the National Art Collections Fund.

Arthur Cockcroft: Arthur C. Cockcroft was a professional rugby league footballer who played in the 1910s, playing at club level for Knottingley Welfare ARLFC, and Wakefield Trinity (Heritage № 206), playing as a Wing or Centre , i.e. number 2 or 5, or, 3 or 4, he signed for Wakefield Trinity on the same day as Jonty Parkin, he was killed during World War I.

Mount Arthur (New Zealand): Mount Arthur ("Tuao Wharepapa" in Māori) is in the Arthur Range in the north western area of the South Island of New Zealand.  Mount Arthur, named after Captain Arthur Wakefield, lies within Kahurangi National Park and has a peak elevation of 1795 m .

Arthur Hayley: Arthur Hayley (birth registered April→June 1854 — death registered January→March 1947 (aged 92)) birth registered in Wakefield district, was an English rugby union footballer who played in the 1880s, playing at representative level for Yorkshire, and at club level for Wakefield Trinity, death registered in Wakefield district.  Prior to Tuesday 27 August 1895, Wakefield Trinity was a rugby union club.

Charlie Pollard: Charles "Charlie" Arthur Pollard (27 August 1897 – 1 October 1968) born in Wakefield district, was an English professional rugby league footballer who played in the 1910s, 1920s, and 1930s, playing at representative level for Great Britain, and Yorkshire, and at club level for Wakefield Trinity (captain) (Heritage № 236), as a fullback , i.e. number 1, his death was registered in Wakefield district.

Stoke, New Zealand: Stoke is a suburb of Nelson in New Zealand, located between Richmond and Tahunanui.  In 2013 its population was 17,163.  Stoke was named by William Songer, the personal servant of Arthur Wakefield, after his birthplace Stoke-by-Nayland in Suffolk.  In 2010 it was voted the "Keep New Zealand Beautiful Peoples Choice Best Place in New Zealand".

Arthur Wakefield: Captain Arthur Wakefield (19 November 1799 – 17 June 1843) served with the Royal Navy, before joining his brother, Edward Gibbon Wakefield, in founding the new settlement at Nelson, New Zealand.

Edward Gibbon Wakefield: Edward Gibbon Wakefield (20 March 1796 – 16 May 1862) was a British politician.  He is considered a key figure in the early colonisation of South Australia and New Zealand.

Arthur Carkeek: Arthur Wakefield Carkeek {'1': ", '2': ", '3': ", '4': "} (1843 – 24 May 1897) was a member of the Armed Constabulary in the New Zealand Wars, and was one of only 23 recipients of the New Zealand Cross for gallantry.  Later he was a civil engineer and land surveyor.

Norman Arthur Wakefield: Norman Arthur Wakefield (28 November 1918 – 23 September 1972) was an Australian teacher, naturalist, paleontologist and botanist, notable as an expert on ferns.  He described many new species of plants.

Supporting paragraphs: Arthur Wakefield Edward Gibbon Wakefield
Answer: politician