double-crosser

he was a double-crosser who betrayed our trust and stole the money.

the double-crosser revealed the location of our hidden base to the enemy.

we realized too late that he was a double-crosser working for the competition.

the double-crosser's actions caused irreparable damage to our reputation.

he proved to be a ruthless double-crosser, willing to sacrifice anyone for personal gain.

the investigation uncovered a network of double-crossers within the organization.

don't trust him; he's a known double-crosser with a history of deception.

the double-crosser's motives remain unclear, but his betrayal is undeniable.

we exposed the double-crosser and prevented further damage to the project.

the double-crosser faced severe consequences for his treacherous actions.

he was a double-crosser who played both sides to achieve his goals.