The correct answer is: A. Abdul Qadir.
Abdul Qadir was a Kashmiri politician and freedom fighter who played a major role in the Quit Kashmir Movement. He was the first person to initiate demonstrations against Hari Singh, the Maharaja of Jammu and Kashmir, in 1946. The movement was successful in forcing Hari Singh to abdicate the throne and pave the way for the accession of Kashmir to India.
Sheikh Abdullah was a Kashmiri politician and statesman who served as the first Prime Minister of Jammu and Kashmir from 1947 to 1953. He was a key figure in the Quit Kashmir Movement and was instrumental in the accession of Kashmir to India.
B. J. Glancy was a British civil servant who served as the Governor of Jammu and Kashmir from 1937 to 1946. He was not involved in the Quit Kashmir Movement.
Chaudhary Ghulam Abbas was a Kashmiri politician who served as the President of the All Jammu and Kashmir Muslim Conference from 1944 to 1947. He was opposed to the accession of Kashmir to India and supported the idea of Kashmir becoming an independent state.