Saidullah "Deeder" Zaman (Bengali: সাঈদউল্লাহ দিদার জামান; Hindi: सईदउल्लाह दीदार जमान; born 25 July 1978), is a Bangladeshi-British rapper and former lead vocalist for British band Asian Dub Foundation.
[10] Zaman was the lead vocalist[7] for Asian Dub Foundation[4] and was known as Master D.[8][11][12][13] In December 2000,[1] he left the band after being inspired by activist work while recording the Asian Dub Foundation song "Free Satpal Ram" about a Satpal Ram, a young man who was convicted of murder in what he claimed was self-defense against a racist attack.
[7] He has worked for National Civil Rights Movement, the Campaign Against Racism and Fascism, the Miscarriages of Justice Organisation and the Children with AIDS Charity.
[4] In 2002, Zaman formed Rebel Uprising with multi-instrumentalist Passion and bassist Dennis Rootical from Irration Steppas.
His musical influences include Nusrat Fateh Ali Khan, Lata Mangeshkar, Mohammed Rafi, Public Enemy, Tony Rebel and Paban Das Baul.