A person whose job is to fight fires and perform rescue operations; a firefighter.
消防士が火事現場から住民を救助した。
Firefighters rescued residents from the fire scene.
子どもたちは消防士の制服に興味を持っていた。
The children were interested in the firefighters' uniforms.
消防士は厳しい訓練と健康管理が必要だ。
Firefighters require rigorous training and health management.
彼女は小さい頃から消防士になりたいと言っていた。
She said she wanted to become a firefighter since she was little.