Fraudster.
Like gamblers, they are people who are on the line between life and death, doing anything for money, and doing whatever it takes.
They are good at disguise, like illusionists, ever-changing, but in their hearts they are like ferocious beasts, aiming at the target in an instant, and then killing it with one blow, devouring even the dregs.
They are not beasts, at least beasts do not kill each other. But they are good at this.
It is difficult to be a confidant and it is difficult to be an enemy.
The victim, forced into a desperate situation, decided to use the same method, tit for tat.
A battle between good and evil has just begun...