Soviet agent of the Communist International sent to Guangzhou in 1923 as chief adviser to 孙中山. He helped reorganise the Kuomintang and steer its alliance with the Communists until 1927.
Borodin was an alias: he was born Mikhail Gruzenberg. Mind the last character: the adviser is 鲍罗廷, while the composer Alexander Borodin, of the opera Prince Igor, is usually written 鲍罗丁.