Remembrancer /(-bran-s?r)/

Re·mem·bran·cer

Remembrancer

n.
  1. One who, or that which, serves to bring to, or keep in, mind; a memento; a memorial; a reminder.
    Premature consiolation is but the remembrancer of sorrow.
    Ye that are the lord's remembrancers.
    — Isa. lxii. 6. (Rev. Ver.).
  2. A term applied in England to several officers, having various functions, their duty originally being to bring certain matters to the attention of the proper persons at the proper time.