건물이나 산림, 차량 등 타인의 재산에 고의로 불을 지르는 범죄를 저지른 사람.
A person who deliberately and maliciously sets fire to buildings, wildland areas, vehicles, or other property.
예문:
"The police are offering a reward for any information leading to the arrest of the arsonist."
"Investigators found traces of gasoline, confirming that an arsonist had started the blaze."
"The serial arsonist targeted abandoned warehouses in the industrial district."