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poacher turned gamekeeper

A person whose job or role has completely changed, from one extreme to another. Primarily heard in UK. The notorious computer hacker who once stole money from unsuspecting Internet users now helps the government catch other hackers—it's a strange case of poacher turned gamekeeper.
See also: gamekeeper, poacher, turn

an old poacher makes the best gamekeeper

People who have a lot of experience in a criminal activity are the ones best suited to trying to protect against that activity later in life. A: "I heard that computer company is planning on hiring renowned hackers to run their security infrastructure." B: "Well, old poachers make the best gamekeepers." A: "The new sheriff used to be a notorious thief?" B: "Hey, you know what they say—an old poacher makes the best gamekeeper."
See also: gamekeeper, make, old, poacher

old poacher makes the best gamekeeper

Prov. The best person to guard something is someone who knows all about how to steal it, so he or she can anticipate what thieves might do. We should hire the computer hacker to design computer security systems. An old poacher makes the best gamekeeper.
See also: gamekeeper, make, old, poacher

poacher turned gamekeeper

If you describe someone as poacher turned gamekeeper, you mean that they have changed their job or opinion and now have authority over the same sort of people that they were themselves before. She returns as poacher turned gamekeeper. Previously a union leader, she now works for the Committee of Vice-Chancellors and Principals. Gary Mason, boxing's poacher turned gamekeeper, will make his managerial debut tomorrow. Note: You can also say that someone is gamekeeper turned poacher, when someone who was in authority changes to a situation where they need to be controlled by others. He used to manage properties for other landlords. Now the gamekeeper turned poacher has to find occupiers for his own building. Note: A poacher is someone who illegally hunts animals such as deer, pheasant or salmon. A gamekeeper is someone employed by a landowner to look after these animals, which are known as game.
See also: gamekeeper, poacher, turn

poacher turned gamekeeper

someone who now protects the interests which they previously attacked.
See also: gamekeeper, poacher, turn

poacher turned ˈgamekeeper

(British English) a person who has changed from one situation or attitude to the opposite one, especially somebody who used to oppose people in authority but is now in a position of authority: He used to represent an oil company but now works for an environmental organization; a real case of the poacher turned gamekeeper.
See also: gamekeeper, poacher, turn
References in periodicals archive ?
Both parties fell, but the other two gentlemen coming up, the poacher was easily secured and taken to the police station; and on being searched three pheasants were found in his pockets of his coat.
The more public support we receive through the Report A Poacher program, the more effective we can be in combatting fish and wildlife crime and public land violations.
They leave bullet cartridges in crooks of trees pointing in the direction they are heading so other poachers can follow, or machete crosses marked on trees to show where they have hidden their ivory.
Intelligence shows these poachers are linked to extremist group Boko Haram in Nigeria and have killed 25,000 forest elephants in the past 10 years in one Gabon region alone.
These groups are professional in nature and well-supplied with the means to patrol die region, mainly searching out left-behind snares for removal, sometimes removing the poacher himself from field to jail.
One of the Mambas, 22-year-old mother Leitah, proudly says: "Most poachers are men.
Outdated weapons The replies have also revealed that assault rifles like AK- 47 and AK- 56s were used by the poachers, outpacing forest guards who continue to use outdated weapons.
The sentence had been criticized by environmental groups, who said it seriously demoralized rangers, who are already engaged in hazardous work protecting endangered Iranian wildlife from armed poachers.
Tourist firms in Botswana are said to be abetting poachers in the nation.
Rangers shot and killed three suspected poachers on Tuesday in Tsavo East National Park.
CLAMPDOWN - the Environment Agency is stepping up its battle to catch and prosecute poachers on North-east rivers.
but two poachers caught in the same revolving door can lead to a strange phenomenon: poacher standoff The revolving door stops and they're both stuck there, looking at each other through the glass.
The witness got the license plate, and a DMV plate check revealed the name and address of a poacher that ECO DeAngelis immediately recognized.
JOLLY POACHER made it nine wins from ten course and distance starts - and landed a fourth title at the track in the process - when successfully defending the Blanchford Gold Cup over 450m at Oxford on Saturday, writes Jonathan Kay.
Meanwhile, Pemba Lama aka 'Yakche', a notorious poacher found guilty of killing 20 rhinos will be freed on bail next month after serving five years of his jail-term.