The Leader of His Majesty's Most Loyal Opposition, more commonly referred to as the Leader of the Opposition, is the person who leads the Official Opposition in the United Kingdom. The position is seen as the shadow head of government of the United Kingdom and thus the shadow prime minister of the United Kingdom.
Charles James Fox, Leader of the Opposition 1783–1806
"the opposition" Bonar Law as caricatured in Vanity Fair, April 1912
George Tierney
Videos
George Tierney PC was an Irish Whig politician. For much of his career he was in opposition to the governments of William Pitt and Lord Liverpool. From 1818 to 1821 he was Leader of the Opposition in the House of Commons.
In Le Boureau (1798), James Gillray caricatured Tierney as a French executioner.
Late in his career Tierney joined the government of Tory George Canning.