King Charles’s upcoming Caribbean tour could accelerate moves to remove him as head of state in several countries unless he does more to confront the monarchy’s historic links to slavery, campaigners have warned.

The king will embark on a nine-day tour on Tuesday, visiting the Bahamas and Guyana before travelling to Antigua and Barbuda, and will attend the Commonwealth heads of government meeting (Chogm).

Patrick Vernon , a cultural historian and UK representative of the Global Jamaica Diaspora Council, said the stakes for this trip could not be higher for the future of the royal family’s standing in the region, warning: “I think it’s the biggest crossroads for the Commonwealth since its creation.”

Charles is expected to deliver three significant speeches during the trip, but will follow government advice not to issue a formal apology for Britain’s role in the transatlantic slave trade.…