sokaiya
/ˈsəʊkaɪjə/noun
(复同单)
- a holder of shares in a Japanese company who tries to extort money from it by threatening to cause trouble for executives at a general meeting of the shareholders敲诈勒索股东（日本公司中的一种股东, 以恐吓要在股东年会上捣乱来向公司敲诈勒索钱财）。
词源
Japanese， from sōkai 'general meeting'+-ya 'dealer'.