el delator

informant, snitch

d e l a ˈt o ɾ
delat denounce + or person or thing that performs an action
noun · masculine Rare #52,057
informant, snitch Often negative, especially when it means someone who betrays others by giving information to the authorities.
SP: La policía encontró al delator.
EN: The police found the informant.

Eres un delator, Fedya.

You're a snitch, Fedya.

— Мой друг Иван Лапшин (1985)

Él es el delator.

He is the informer.

— Perros de Reserva (1992)

Atrapamos un delator.

We caught an informant.

— Malcolm X (1992)

No soy un delator.

I'm not a snitch.