One administrator of Grudgebridge, a controversial Cambridge Facebook page, resigned last night claiming “my safety is a concern”, shortly after the page had launched a campaign against drinking societies.

In a post to the page identifying themselves as “J”, they said: “I believe I’ve started something good here and I have had hundreds of submissions already. I would like to make it clear that I am utterly convinced of this cause and that it is beyond me and my personal life.” The admin claimed that new administrators have now taken over the page, and will continue its approach.

In the past two days, the page has posted a series of anonymous testimonies purported to have been received from students. The posts, which in several instances focused on specific college societies or loosely identified individual students, made multiple unsubstantiated allegations of bullying and sexual harassment.

For the past 15 months since its creation on 7th February, Grudgebridge has carved a space in Cambridge’s Facebook community for a uniquely brutal honesty granted by the veil of anonymity that submissions hide behind.

Its administrator, however, has repeatedly come under fire for a seeming absence of filtering, allowing inflammatory posts and personal attacks on identifiable students to be posted.

“A number of people know of my identity through the uni rumour mill,” the admin said, “and I have received a large number of anonymous submissions directing ad hominem attacks at me. Some of them are true and everyone who knows me knows about them. Some are untrue. I see it as irrelevant. Furthermore I have received personal threats and staff at my college have been warned by third parties that my safety is a concern.”

The post claimed that new admins had taken over the running of the page: “I have taken the decision to step away from Grudgebridge. Since the ball is now rolling and I don’t want to get in its way, I am passing over complete control of the page to the other admins who are completely anonymous, and adding two new ones, who are committed to continuing to publish. I shall no longer be an admin.”

The page posted dozens of posts yesterday alleging behaviour by specific college drinking societies, in a launch of their vigilante mission to eradicate drinking society culture. The campaign follows a Grudgebridge post on Monday showing a student filmed at a Trinity Hall Crescents event joking about “inclusivity”, and calling it “the single biggest problem facing the Crescents in the modern age”.

Two days following the publication of the leaked video, the Trinity Hall all-male drinking society decided to disband in the wake of the controversy. When announcing its crusade yesterday afternoon, the Grudgebridge page administrator wrote: “With any luck, the Crescents will be the first in a chain of dominos which ends with the eradication of these little-boy clubs, all of which are on the wrong side of history.”

The allegations levelled on the page have ranged from vandalism and sexual misconduct to instances of bullying and discriminatory behaviour. Several posts claimed that drinking societies deliberately targeted certain students for parties, and there were multiple allegations of groups attempting to manipulate college room ballots in order to create drinking society “houses”. Some posts have claimed that drinking societies were supported by college fellows.

In at least one instance, the page deleted a post after it was directly refuted in the comment section.

The Grudgebridge post which announced its newfound mission amassed over 250 likes and reactions, and a predictably divisive comment section. The announcement was met with both support and scorn – a few commenters were critical, with one comparing the page’s mission to “genocide on a type of society”. Another deemed it “a new puritanism”.