heckler
US /ˈhek.lɚ/
UK /ˈhek.lɚ/

1.
perturbador, interrompedor
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.
O comediante lidou habilmente com o perturbador na primeira fila.
•
Security removed the persistent heckler from the event.
A segurança removeu o perturbador persistente do evento.