noun
person exposed to harmful radiation
Refers to someone who has suffered radiation exposure, typically from a nuclear bomb, accident, or industrial incident. Compare 被爆者 (ひばくしゃ), which specifically means a victim of a bombing.
See also: 被爆者
チェルノブイリの被曝者は今も健康被害に苦しんでいる。
Those exposed to radiation in Chernobyl still suffer from health problems today.
原発事故の被曝者に対する補償が議論されている。
Compensation for people exposed to radiation from the nuclear accident is being discussed.
Compound of 被曝 (ひばく, 'exposure to radiation') + 者 (しゃ, 'person').