Haw. Rev. Stat. § 88-27
Each trustee shall, within ten days after the trustee's appointment or election, take an oath of office that, so far as it devolves upon the trustee, the trustee will diligently and honestly administer the affairs of the board of trustees, and that the trustee will not knowingly violate or willingly permit to be violated any of the provisions of law applicable to the system. The oath shall be subscribed to by the member making it and certified by the officer before whom it is taken and shall be immediately filed in the office of the lieutenant governor.
HRS § 88-27
Employees' retirement system (ERS) board of trustee's contention that no statute in chapter 88 provides that ERS owes a duty to individual members to provide individual notice and counseling, particularly absent a request for information was incorrect where, reading § 88-127 and this section in para materia, the ERS board is charged with the duty to diligently and honestly administer all funds held in trust for the exclusive use and benefit of the system and for the members of the system. 108 H. 338, 120 P.3d 237.