Nemeses

The detective knew that the elusive criminal was his nemeses, always managing to evade capture.

His phobia of heights was one of his nemeses that prevented him from enjoying outdoor activities.

The thief's greed eventually became his nemeses and led to his capture.

His stubbornness was one of his nemeses that often led to arguments with his loved ones.

The two rival gangs were nemeses in the crime world.

The nemeses of the criminal underworld are the police officers who tirelessly work to bring them to justice.