Forest fire fighter and Fire-eater

Forest fire fighter noun - An official who is responsible for managing and protecting an area of forest.

Fire-eater and forest fire fighter are semantically related. In some cases you can use "Fire-eater" instead a noun phrase "Forest fire fighter".

Fire-eater noun - An aggressive and fiercely determined person.

Forest fire fighter and fire-eater are semantically related. Sometimes you can replace phrase "Forest fire fighter" with "Fire-eater", this phrases are similar.