The phrase "new councillors" refers to people who have been recently elected or appointed to become members of a council, which is a group of individuals who make decisions and govern a specific area or organization. Full definition
Giles Dilnot took the mood box - an unscientific test with plastic balls - to find out if the people of Milton Keynes, in Buckinghamshire, would say whether it was local or national issues that will win their vote for new councillors. (bbc.com)
Winning lots of new councillors will revitalise local constituency parties up and down the country and help rebuild a Labour campaign machine that rusted and fell apart over thirteen years in power. (labour-uncut.co.uk)
David Cameron claimed Suliman Gani was a supporter of Islamic State - but he was invited to a Tory meeting aimed at wooing new councillors (mirror.co.uk)