fire-eater
US /ˈfaɪərˌiːtər/
UK /ˈfaɪərˌiːtər/

1.
tragafuegos, escupidor de fuego
a performer who puts flaming objects into their mouth or appears to breathe fire
:
•
The circus featured a spectacular fire-eater.
El circo presentó un espectacular tragafuegos.
•
Children watched in awe as the fire-eater performed.
Los niños observaron con asombro cómo actuaba el tragafuegos.
2.
apasionado, ferviente
a person who is aggressively enthusiastic or zealous about a particular cause or activity
:
•
He's a real fire-eater when it comes to political debates.
Es un verdadero apasionado cuando se trata de debates políticos.
•
The coach was a fire-eater, always pushing his team to excel.
El entrenador era un apasionado, siempre empujando a su equipo a sobresalir.