heckler
US /ˈhek.lɚ/
UK /ˈhek.lɚ/

1.
interrumpidor, abucheador
a person who interrupts a public speaker or performer with aggressive or rude comments or questions
:
•
The comedian skillfully handled the heckler in the front row.
El comediante manejó hábilmente al interrumpidor en la primera fila.
•
Security removed the persistent heckler from the event.
La seguridad retiró al interrumpidor persistente del evento.