It can be helpful to describe versions of people that have negative traits we wouldn’t otherwise ascribe to them. People we generally otherwise trust etc. but with the consideration that they would or might steal or lie or betray etc.
And then we can use term ‘Machiavellian x’ where x is their name to refer to this version of them.
This would help with thinking and dialogue etc.
Syntactically something like machiavellian[x]