The movement in Britain to end both the slave trade and slavery was a long drawn out affair which involved the efforts of key individuals and groups:
Quakers
Also known as the Society of Friends
First campaigners against the slave trade and in 1727 passed a proposal against the trade
Acted as a pressure group in the movement for the abolition of slavery.
Their strategy was to win over public opinion by carrying the arguments for abolition into every home in Britain through pamphlets, the Press and the pulpit.
Leading force in the movement outside of Parliament
The Clapham Sect
Also known as The Saints
They gave practical, supporting evidence to the other members of the sect, especially those in Parliament, who had considerable influence in public affairs.
Members included: William Wilberforce, Granville Sharp, Thomas Clarkson, James Ramsay, James Stephen and Zachary Macaulay. James Ramsay served as a surgeon on a warship bound for St Kit Kitts . There he had been called to attend an epidemic on a slave ship and never forgot the horrors he saw in the middle decks. He became an Aglican priest and served in St Kitts for 14 years, making outspoken attacks on slavery. In 1781 he returned to England and joined the abolitionists. He published in 1784 an “Essay on the Testament and Conversion of the African Slaves in the Sugar Colonies.”
James Stephen a lawyer in St Kitts for 10 years
Zachary Macaulay the under manager on a Jamaican estate for 4 years In Parliament, they complemented the Quakers who had don e so much to arouse public opinion in the same cause.
Granville Sharp
Concerned himself with the question of whether a person could be held in slavery in Britain. He questionned the legality of slavery.
Read on the Somerset Case and Mansfield Judgement. (Caribbean Experience pg63,Caribbean Story pg 145, Caribbean History for CSEC pg 94)
He went to court to get the English law on slavery clarified.
Judge Mansfield decided