814.14 Fiduciary; liability for costs limited; bond premium. (1) (a) Except as provided in par. (b) or unless otherwise specifically provided in any action or proceeding prosecuted or defended in any court in this state by a personal representative, guardian ad litem, trustee of an express trust, general guardian or person expressly authorized by statute, costs may be recovered as in an action by or against a person prosecuting or defending in the person’s own right.