A soldier work in the

I'm not really sure about the answers. But, i think it's almost true. We'll never know until we've tried it. Right?

A soldier works in the organised land-based armed forces.
A bricklayer works in the place or specifically a build that needs to be fixed.
A fisherman works in the Sea.
A singer works in the stage for social public.
A reporter work in the department of news.
A typist work in the publisher of books.
A hair dresser works in the salon.
A shop assistant works in the department store.

Just helping.
Wish it could help you more!