 Bald was also one of more than 2,000 people who met at the West Church in 1838 to campaign for the abolition of the system of apprenticeship in the West Indies.The meeting attendees included the Lord Provost and other city dignitaries, as well as those connected with the Emancipation Society.Bald is reported as seconding the first resolution against the evils of apprenticeship, which was called for the abolition of a system that was but slavery under another name.