Yes a hairdresser can countersign a passport. They have to be a professional working hairdresser.
can my brother in law countersign my application for a renewable passport he is a company director
No, a postman is not able to countersign a passport application photo. However, there are several other people that would be able to including an accountant, an airline pilot, a journalist, and many others.
When a passport application is filled out there is no countersigned needed by the government. You fill the form out, get a passport photo, and pay the filing fee.
No. Usually a professional with appropriate government issued license is one that can countersign a passport.
No
There are several people who are allowed to countersign a passport photo. These people include clergy, lawyers and civil servants.
Can teaching assistants countersign a passport
No but a post master can
I doubt it - it's normally supposed to be someone like doctor, priest, lawyer etc.
No. For it to be a valid countersign, it needs to be from a Professional. (Any teacher/tutor who has known you for a long time)
Usually Yes, when you are the one to receive it. This is to ensure that you have correct proof of your identity and citizenship.