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
Those exposed to radiation in Chernobyl still suffer from health problems today.
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').