Here's a breakdown:
* Inspect: The verb that refers to the action of examining something carefully for flaws or errors.
* -or: The suffix that turns a verb into a noun indicating a person who performs that action.
Therefore, inspector is the person whose job it is to inspect something.
Here are some other examples of words using the "-or" suffix:
* Actor: Someone who acts.
* Director: Someone who directs.
* Operator: Someone who operates something.
* Translator: Someone who translates languages.