Understand 'purser' is typically used in a maritime context, associated with ships and voyages. The ship's purser ensured all passenger expenses were logged.
Pro Tip 2/3
Financial Role
'Purser' refers to a financial position; they manage money, not the steering of the ship. See the purser to settle your cabin charges.
Pro Tip 3/3
Historical Usage
In historical contexts, the purser was more integrated with crew life and provisions. The old navy purser kept logs of all the supplies on board.