prospective employee; person with a job offer
Refers to someone who has received an informal job offer (内定) but has not yet formally joined the company. Common in Japanese recruitment contexts.
He is a prospective employee scheduled to join the company next year.
Training for new hires will start next month.
新入社員 refers to a new employee who has already joined the company, whereas 内定者 is still in the pre-employment stage.
Compound of 内定 (informal job offer) + 者 (person). The term is widely used in Japanese business and recruitment settings.