watchdog
n//ˈwɑːt͡ʃˌdɑːɡ//kontrollorgan, tillsyningsman, tillsynsman, tillsynsorgan, vakthund, väktare
(figurative) An individual or group that monitors the activities of another entity (such as an individual, corporation, non-profit group, or governmental organization) on behalf of the public to ensure that entity does not behave illegally or unethically.