noun
probation officer; volunteer probation officer
In Japan, a 保護司 is a volunteer who supports the rehabilitation of offenders and juvenile delinquents under the guidance of professional probation officers.
彼は保護司として、非行少年の更生を手助けしている。
As a volunteer probation officer, he helps rehabilitate juvenile delinquents.
Compound of 保護 (ほご, 'protection') and 司 (し, 'official' or 'person in charge').