a person whose job is to examine and record the details of a piece of land （土地）测量员，勘测员 - (British English)
a person whose job is to examine a building to make sure it is in good condition, usually done for somebody who is thinking of buying it （建筑物）鉴定人
Word Originlate Middle English (denoting a supervisor): from Anglo-Norman French surveiour, from the verb surveier, from medieval Latin supervidere, from super- ‘over’ + videre ‘to see’.