The situation in the play that best shows the use of language to gain power over another person is :
When Antonio suggests to Sebastian the plot to murder Alonso, he gains influence over Sebastian's thoughts.
The play “Tempest” by Shakespeare has been spoken about in the question.
Sebastian is the brother of Alonso. Since, Antonio plots to murder his brother, he also influences Sebastian to plot to murder Alonso. They plot the murder when Gonzalo and Alonso would be in fast asleep. In order to become the King of Naples, Sebastian plots the murder.
