surveyor
noun [ C ] uk/səˈveɪ.ər/ us/sɚˈveɪ.ɚ/
（土地）测量员，测绘员，勘测员
a person whose job is to measure and record the details of areas of land
UK (US structural engineer)房产检视员;房屋鉴定人
a person who is specially trained to examine buildings and discover if there are any problems with their structure