Fetching details from the dictionary...
commission; entrusting with (work)
part-time employee; temporary work
退職後も嘱託として会社に残った。
Even after retirement, they remained at the company as a commissioned worker.
調査を外部の専門家に嘱託した。
The investigation was commissioned to an outside expert.
嘱託職員として週三日勤務している。
They work three days a week as a commissioned employee.