No, not all the time. If it is in the beginning of the sentence
Yes, it is capitalized at the beginning of the sentence or when it forms part of the proper noun or when it precedes a person's name or when it is used as a direct address. Examples: Supervisor Anna Are you attending the meeting, Supervisor?
You capitalize all rank that is part of a title, for instance: Private Qunicy Sergeant Jones Captain Wally It is not necessary to capitalize rank that is not part of a title, for instance. "John wanted to become a sergeant in the US Army."
No, food vendor is not a proper noun. While it may be capitalized as a work position, it is not the name of a person, place, or thing.Positions are sometimes only capitalized when used as titles (President Obama is a president), but a specific position is capitalized when paired with a proper noun (Speaker of the House of Representatives). Titles such as manager and supervisor and head vendor would not qualify.
The British spelling of supervisor is "supervisor."
or
SUPERVISOR
Yes, a Senior Supervisor must be a Category Supervisor.(See the Related question.)
No, you have to be a Category Supervisor in order to become a Senior Supervisor. (See the Related question.)
No, seasons are not capitalized.
Yes, Was it a dog? Hahaha It WAS capitalized! Was can be capitalized.
The spelling for supervisor is supervisor; you had it spelled correctly in the question.
A Supervisor can be a Supervisor for however long he or she wants until the Supervisor deletes his/her account, is blocked or demoted for violating rules, or wants to quit being a Supervisor. If a supervisor remains inactive for a certain amount of time, he/she may have their supervisor powers taken away until he/she contributes again.