Meaning of CAB in English
CAB, the /ˌsiː eɪ ˈbiː/ BrE AmE
(the Citizens Advice Bureau) a British organization supported by the government which gives free advice to ordinary people about legal, financial, and other problems. Most towns and cities in the UK have a Citizens Advice Bureau, and most of the people who work for it are ↑ volunteer s (=they are not paid for their work) .
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012