Occupy: protesters in their own words

London became part of the global Occupy movement when protesters set up camp at St Paul's. From Frankfurt to Madrid, Wall Street to Athens, people are taking to the streets to rage against greed and inequality. Who are the demonstrators and what do they hope to achieve?

• Diego Salazar in Madrid, Hermione Hoby in New York, Helena Smith in Athens, Morwenna Ferrier in London, Helen Pidd in Frankfurt, Tom Kington in Rome
• The Observer, Saturday 22 October 2011