1 general:: inspector, director
transnet.ir
2 Law:: inquisitor
فرهنگ تشریحی - کاربردی حقوق تالیف هرمز رشدیه
3 Law:: detective (for which the common word in present-day Persian is كارآگاه)
4 Law:: auditor (ie in companies for which the common word in present-day Persian is بازرس )