Jeremy Bernard Corbyn (/ ˈ k ɔːr b ɪ n /; born 26 May 1949) is a British politician serving as Leader of the Labour Party and Leader of the Opposition since 2015.Corbyn has been the Member of Parliament (MP) for Islington North since 1983. Ideologically, he identifies as a democratic socialist.. Born in Chippenham and raised in both Wiltshire and Shropshire, Corbyn joined Labour as a teenager.