I. In this section, "vexatious litigant" means an individual who has been found by a judge to have filed 3 or more frivolous lawsuits which the judge finds, by clear and convincing evidence, were initiated for the primary purpose of harassment. II. The court may require a vexatious litigant to: (a) Retain an attorney or other person of good character to represent him or her in all actions; or (b) Post a cash or surety bond sufficient to cover all attorney fees and anticipated damages.