self-police

From self- +‎ police.

self-police (third-person singular simple present self-polices, present participle self-policing, simple past and past participle self-policed)

1. To police and monitor amongst themselves without resorting to an external organisation.
   • 2020 May 20, Stefanie Foster, “Comment: Safety first: now more than ever”, in Rail, page 3:

     Because they will largely have to self-police this - train operators and the British Transport Police will not be able to enforce the use of face coverings, for example.

• “self-policing”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.