Question: What was the occupation of the Baron Archer of Weston-super-Mare's son?

Context paragraphs:
Baron Dulverton: Baron Dulverton, of Batsford in the County of Gloucester, is a title in the Peerage of the United Kingdom.  It was created in 1929 for the businessman Sir Gilbert Wills, 2nd Baronet.  He was President of the Imperial Tobacco Company and also sat as a Conservative Member of Parliament for Taunton and Weston-super-Mare.  The Wills Baronetcy, of Northmoor in the County of Somerset, was created in 1897 for his father Frederick Wills.  He was a director of W. D. & H. O. Wills, which later merged into the Imperial Tobacco Company, and also represented Bristol North in Parliament as a Liberal Unionist.  A member of the wealthy Bristol tobacco importing Wills family, he was the younger brother of Sir Edward Wills, 1st Baronet, and the cousin of William Wills, 1st Baron Winterstoke.  In 1966 the Wills family had contained the largest number of millionaires in the British Isles, with 14 members having left fortunes in excess of one million pounds since 1910, totalling £55 million.  s of 2014 the titles are held by the first Baron's grandson, the third Baron, who succeeded his father in 1992.

Peter Archer, Baron Archer of Sandwell: Peter Kingsley Archer, Baron Archer of Sandwell, (20 November 1926 – 14 June 2012) was a British lawyer and Labour Party politician.  He was a Member of Parliament from 1966 until 1992, when he became a life peer.  Between 1974 and 1979 he was Solicitor General for England and Wales.

Thomas Archer, 1st Baron Archer: Thomas Archer, 1st Baron Archer (21 July 1695 – 19 October 1768) was an English Member of Parliament, who was created Baron Archer in 1747.  His arms are blazoned: "Azure three arrows or."

Other Windsor, 6th Earl of Plymouth: Other Archer Windsor, 6th Earl of Plymouth (2 July 1789 – 20 July 1833 Deptford) was an English nobleman, the eldest and only surviving son of the 5th Earl of Plymouth by his wife and cousin, Hon. Sarah Archer, daughter and eventual co-heiress of the 2nd Baron Archer.  He was sixth Earl of Plymouth of the 1682 creation.

Baron Blayney: Lord Blayney, Baron of Monaghan, in the County of Monaghan, was a title in the Peerage of Ireland.  It was created in 1621 for the soldier Sir Edward Blayney.  He was succeeded by his son, the second Baron.  He was killed at the Battle of Benburb in 1646.  His younger son, the fourth Baron (who succeeded his elder brother), represented County Monaghan in the Irish House of Commons.  His elder son, the fifth Baron, was attainted by the Parliament of James II for supporting William of Orange.  He had no sons and was succeeded by his younger brother, the sixth Baron.  He was Governor of County Monaghan.  His son, the seventh Baron, was Lord Lieutenant of County Monaghan.  He was succeeded by his elder son, the eighth Baron.  He was a clergyman and served as Dean of Killaloe.  He had no surviving children and was succeeded by his younger brother, the ninth Baron.  He was a Lieutenant-General in the Army.  His younger son, the eleventh Baron (who succeeded his elder brother), was also a Lieutenant-General in the Army and fought in the Peninsular War.  Lord Blayney also represented the rotten borough of Old Sarum in Parliament.  His son, the twelfth Baron, sat as Conservative Member of Parliament for County Monaghan and was later an Irish Representative Peer from 1841 until his death.  On his death in 1874 the title became extinct.

Baron Archer: Baron Archer, of Umberslade in the County of Warwick, was a title in the Peerage of Great Britain.  It was created on 7 July 1747 for Thomas Archer, who had previously represented Warwick and Bramber in the House of Commons.  He was succeeded by his son, the second Baron.  He sat as Member of Parliament for Coventry.  The title became extinct on his death in 1778.  The first Baron was the son of Andrew Archer, the grandson of Thomas Archer, the great-grandson of Sir Simon Archer and the nephew of the architect Thomas Archer.

Baron Abinger: Baron Abinger, of Abinger in the County of Surrey and of the City of Norwich, is a title in the Peerage of the United Kingdom.  It was created on 12 January 1835 for the prominent lawyer and politician Sir James Scarlett, the Lord Chief Baron of the Exchequer.  Lord Abinger was succeeded by his eldest son, the second Baron.  He represented Norwich and Horsham in the House of Commons.  He was succeeded by his son, the third Baron.  He was a lieutenant-general in the army and fought in the Crimean War.  On the death of his son, the fourth Baron, the line of the eldest son of the first Baron failed.  The late Baron was succeeded by his second cousin, the fifth Baron.  He was the grandson of Hon. Peter Campbell Scarlett, third son of the first Baron.  When he died the title passed to his younger brother, the sixth Baron, and then to another brother, the seventh Baron.  s of 2016 the title is held by the latter's grandson, the ninth Baron, who succeeded his father in 2002.

Jeffrey Archer: Jeffrey Howard Archer, Baron Archer of Weston-super-Mare (born 15 April 1940) is an English novelist and politician.

Andrew Archer, 2nd Baron Archer: Andrew Archer, 2nd Baron Archer (29 July 1736 – 18 April 1778), styled The Honourable Andrew Archer between 1747 and 1768, was a British peer and Whig politician.

James Archer (stock trader): The Hon. James Howard Archer (born 10 June 1974) is an English businessman with interests in Kurdistan, and was previously a stock market trader.  His parents are Jeffrey Archer, the novelist and former Conservative politician, and Dame Mary Archer, a British scientist specialising in solar power conversion.

Supporting paragraphs: James Archer (stock trader) Jeffrey Archer
Answer: stock market trader