Complex sentence: Granville Sharp (10 November 1735-6 July 1813) was one of the first British campaigners for the abolition of the slave trade and he involved himself in trying to correct other social injustices.
Split into simpler sentences: Granville Sharp (10 November 1735-6 July 1813) was one of the first British campaigners for the abolition of the slave trade. He also involved himself in trying to correct other social injustices.