(1) "Interested person" includes heirs, devisees, legatees, children, spouses, creditors, beneficiaries, and any others having a property right in or claim against a trust estate or the estate of a decedent, or person under guardianship that may be affected by the proceeding. It also includes persons having priority for appointment as executor or administrator, and other fiduciaries representing interested persons. The parties at commencement of a probate proceeding shall include all interested persons. The meaning as it relates to particular persons may vary from time to time and shall be determined by the Rules of Probate Procedure.

(2) "Fiduciary" includes executor, administrator, special administrator, trustee, conservator, guardian of a minor, guardian of a spendthrift, voluntary guardian of a person who has an infirmity and total or limited guardian of an adult with a developmental disability, but excludes one who is merely a guardian ad litem.

(3) "Special fiduciary" means an individual appointed as provided by the Rules of Probate Procedure to assume the duties of a fiduciary suspended by the court.

(4) "Executor" includes administrator with the will annexed. (Added 1975, No. 240 (Adj. Sess.), § 6; amended 1985, No. 144 (Adj. Sess.), § 26; 2013, No. 96 (Adj. Sess.), § 62.)