The union said that the protest is part of a broader effort aimed at ending an eight-week strike in Toronto by its members at a soup and beverage can plant controlled by Crown Holdings, a US-based packaging company.

The union says it is taking the dispute to companies whose executives, like Donald, serve on Crown’s board of directors.

“The USW believes that by supporting Crown Holdings in its forced strike, Arnold Donald is undermining Carnival’s business model that relies on good wages and employer-paid leave to fill Carnival’s ships,” the union said.

The