The document lists several volunteer opportunities available in Dublin from May to June 2012. The roles include volunteering at Africa Day, the Dublin City Soul Festival, the Midsummer Moonwalk, Art Deco in Dublin, the African Music Festival Ireland, and the Matt Talbot Community Trust. Volunteers are needed for tasks like registration, event assistance, programme distribution, crowd management, hosting, photography, and event coordination. Locations and time commitments vary by role.