(b) In court's discretion. Upon motion by the defendant with notice,
or upon its own initiative, the court may order the plaintiff to give
security for costs in an action by or against an assignee or trustee for
the benefit of creditors, a trustee, a receiver or debtor in possession
in bankruptcy, an official trustee or committee of a person imprisoned
in this state, an executor or administrator, the committee of a person
judicially declared to be incompetent, the conservator of a conservatee,
a guardian ad litem, or a receiver.