gherao
noun
[ ɡɛˈraʊ ]
• a protest in which workers prevent employers or managers from leaving a place of work until certain demands are met.
• "a gherao was to be conducted at the municipal offices"
gherao
verb
• prevent (someone) from leaving a place of work until certain demands are met.
• "the minister was gheraoed in his Chamber for more than four hours"
Origin:
from Bengali gherāo, literally ‘act of enclosing or shutting in’.