A worker employed on a temporary basis, often for a specific project or season. Common in factory, construction, and office contexts.
The factory hires temporary workers during busy periods.
He worked as a temporary worker during summer vacation.
派遣社員 are dispatched workers from a staffing agency, often for longer contracts, whereas 臨時工 is directly hired for a limited period.
Compound of 臨時 (temporary, extraordinary) and 工 (worker, laborer).