Haw. Code R. § 6-20-1
As used in chapters 20 to 29 of this title:
"Alternate payee" means a spouse or former spouse of a member, a former member who has vested benefit status, or retirant who is recognized by a domestic relations order as having a right to receive all or a portion of the benefits payable by the system with respect to that member, former member with vested benefit status, or retirant.
"Applicant" means a person who files an application for disability retirement or accidental death benefits as provided in chapter 6-22, subchapter 1 of chapter 6-23, and subchapter 1 of chapter 6-26.
"Beneficiary" means the recipient of any benefit from the system or, as the context may indicate, the person or persons designated by a member, former member, or retirant, or as provided by law to receive the benefits payable in the event of the member's, former member's, or retirant's death.
"Board" or "board of trustees" means the board of trustees of the system.
"Contested case" means a contested case proceeding as defined in section 91-1, HRS.
"Executive director" means the executive director of the system or, in the executive director's absence, the deputy executive director of the system or other officer appointed by the board of trustees to act as the executive director of the system.
"Hearing officer" means a licensed attorney, duly appointed by the board of trustees or the system to administer proceedings under this chapter and chapter 6-23 .
"Member" means any person included in the membership of the system.
"Party" means any person or agency who participates in a declaratory ruling under subchapter 4 or in a contested case proceeding under chapter 6-23 as a petitioner, respondent, or intervenor.
"Petition" means a request filed pursuant to section 6-20-8 for a declaratory ruling under subchapter 4, or a petition for a contested case hearing under chapter 6-23.
"Petitioner" means a member or other authorized person who files a petition for declaratory ruling under subchapter 4 or a petition for contested case hearing under chapter 6-23.
"Presiding officer" means the chairperson or other designated member of the board of trustees, or a hearing officer appointed by the board of trustees or the system, who presides over matters set forth in subchapter 4 or chapter 6-23.
"Retirant" means a member who has retired and becomes a beneficiary of the system.
"System" means the employees' retirement system of the State of Hawaii.
Haw. Code R. § 6-20-1