Shi Yousan
Shi Yousan () (1891 – December 1940) was a Kuomintang general who defected to, and subsequently betrayed, Wu Peifu, Feng Yuxiang, Chiang Kai-shek, Wang Jingwei, Zhang Xueliang, the Chinese Communist Party, and Japan, in that order. While leading the 39th Army Group of the National Revolutionary Army, he planned to defect to the Japanese, but before he could do so he was kidnapped and buried alive by his sworn brother and subordinate Gao Shuxun, who later gained command of Shi’s unit. For his many betrayals and defections he is known as the "Defector General" () or as Shi Sanfan (, "Shi who turns three times"). Early Life 
Shi was born in 1891 in Changchun, Qing China to an impoverished local family. In youth Shi worked as an apprentice at the Bijia Grain Store in Changchun. There, Shi befriended a member from the wealthy Bi family and was able to attend the government-run Dongguan Elementary through said friendship. In 1908, he ditched his studies joined the army, becoming a member of Wu Peifu's forces in the Third Division of the New Army, stationed in Changchun. Career

Northern Era 
In 1912, Shi switched allegiance to Feng Yuxiang and gradually rose through his ranks. In October 1924, Feng launched the Beijing Coup and subsequently established the Guominjun. Shi became one of the "thirteen guardians/protectors"(十三太保) considered the most important commanders of the Guominjun. Shi became the commander of the 8th Mixed Brigade of the 1st Army. In 1925, he was promoted to the commander of the 6th Division. In 1926 during the Anti-Fengtian War, Shi's troops were stationed at Nankou (Now Changping, Beijing). Yan Xishan attacked the rear of the Guominjun from Shanxi. and Shi, along with Han Fuju's forces were sent to fight against Yan's army. Due to the inferiority of the their strength, they were forced to abandon Nankou in August of the same year, the main force of Feng subsequently retreated from Beijing. Abandoned by the main force, Shi and Han decided to surrender to Yan. In July of the same year, Chiang Kai-Shek launched the Northern Expedition. In September Feng swore allegiance to Chiang and the Kuomintang. Shi returned to Feng's forces, and was appointed as the commander-in-chief of the 5th division of the Guominjun Army in Shaanxi. In June of the following year, the Guominjun was reorganized into the 2nd Army Group of the National Revolutionary Army, and Shi became the deputy commander-in-chief of the 1st Front Army and the commander of the 5th Army. Subsequently, Shi defeated Sun Chuanfang's forces loyal to the Beiyang government in Shandong. During the second phase of the Northern Expedition, areas controlled by the National Revolutionary Army in Henan Province was attacked and captured by the forces of Fan Zhongxiu. Feng ordered Shi's troops to move south from Shandong to engage in battle with Fan's forces along with the forces of Song Zheyuan. By the end of 1928, the Northern Expedition was declared over, and with the demobilization, Shi was reassigned to the of commander of the 24th Division of the National Revolutionary Army and was stationed at Nanyang. Death 
While leading the 39th Army Group of the National Revolutionary Army, he planned to defect to the Japanese, but before he could do so he was kidnapped and buried alive under the orders of Chang by his sworn brother and subordinate Gao Shuxun , who later gained command of Shi’s unit. Historical Impact 
In 1928, Shi’s troops set fire to the Shaolin Monastery, burning it for over 40 days, killing more than 200 monks and destroying 90 percent of the buildings including many manuscripts of the temple library. See also
 Lü Bu

References

National Revolutionary Army generals from Jilin
People of the Northern Expedition
People of the Central Plains War
Military personnel of the Republic of China in the Second Sino-Japanese War
1891 births
1940 deaths
Assassinated Chinese people
People executed by smothering
Deaths by live burial
People from Changchun
Traitors in history