The regulator ensures that banks follow the law.

An authority or organization that oversees and enforces rules in the financial sector.
The regulator monitors financial transactions closely.
A new regulator was established to improve oversight.
The regulator issued new guidelines for lending practices.
financial regulator
regulatory authority
government regulator
supervisor
overseer
controller
The regulator keeps the temperature steady.

A device or person that controls or manages something.
The regulator adjusts the water flow.
A good regulator ensures safety in the system.
The regulator monitors the pressure levels.
pressure regulator
temperature regulator
flow regulator
controller
manager
supervisor