i Register
In some senses, fire-eater is marked as figuratively, US, historical. Watch for register when choosing this word.
noun
A performer who pretends to swallow fire.
A quarrelsome or belligerent person.
"But he is a regular fire eater!" "He's a bad man—a blamed bad man!" fluttered Danny Griswold. "That's right," nodded Lewis Little. "He really wants to fight with swords, I believe."
An extreme partisan for the South before the US Civil War.
Frustrated in their attempts to change the law, fire-eaters turned their efforts to breaking it.
noun
Alternative form of fire-eater (“extreme partisan for the South before the US Civil War”).