M-W:
chancer – (British) a scheming opportunist
https://www.merriam-webster.com/dictionary/ch...Cambridge:
chancer – a person who is always trying to get an advantage for himself or herself, especially by taking risks ...
[From Hansard and Wikipedia:]
He is a hypocrite and a political chancer.
Many of those people are genuine asylum seekers, others are chancers who masquerade as genuine asylum seekers.
The trade unions will come down heavily on the chancers.
This company has for years flagged up the fact that it is a chancer.
The chancer will try to take advantage of the new opportunity.
It means that we do not really trust the person who is described as a chancer.
The man seems to be a complete chancer, and a callous one at that.
He is a member of a party of chancers.
However, the fact that this country has moved during the past eight years from being a nation of pragmatists to a nation of chancers is both profound and tragic.
Through her relationships she is shown to be a chancer who wants to have fun and has the bottle for anything.
Rory has been described as a cheeky chancer and a heart-throb.
In 2010 the ruling administration was overthrown and the city was opened up to rebels and chancers to carve out their own little piece of paradise.https://dictionary.cambridge.org/dictionary/e...Collins:
chancer – You can refer to someone as a chancer if you think they use opportunities for their own advantage and often pretend to have skills they do not have.
[informal]
... a corrupt, opportunistic chancer. ...
chancer – (slang) an unscrupulous or dishonest opportunist who is prepared to try any dubious scheme for making money or furthering his or her own ends ...
chancer – (British, Informal) a reckless, improvident, often somewhat unscrupulous opportunist
https://www.collinsdictionary.com/dictionary/...Oxford Advanced Learner's:
chancer – (British English, informal) a person who is always looking for opportunities to gain an advantage, even when they do not deserve to do so
https://www.oxfordlearnersdictionaries.com/de...Macmillan:
chancer – (British, informal) someone who is always willing to take a risk in order to get an advantage, even if it means doing something that other people do not approve of
https://www.macmillandictionary.com/dictionar...