Definitions of agitate:

• verb:   try to stir up public opinion
• verb:   change the arrangement or position of
• verb:   cause to be agitated, excited, or roused
• verb:   move or cause to move back and forth
• verb:   move very slightly
• verb:   exert oneself continuously, vigorously, or obtrusively to gain an end or engage in a crusade for a certain cause or person; be an advocate for