censor

1. noun, a person authorized to examine publications, theatrical presentations, films, letters, etc, in order to suppress in whole or part those considered obscene, politically unacceptable, etc
2. noun, any person who controls or suppresses the behaviour of others, usually on moral grounds
3. noun, (in republican Rome) either of two senior magistrates elected to keep the list of citizens up to date, control aspects of public finance, and supervise public morals
4. (and 3 more)