a person who generally works with copper and brass

A coppersmith is also a person who uses copper in an artistic form to make things such as jewelry, plates, jugs, vases, trays, frames, rose bowls, cigarette boxes, tobacco jars, overmantels, fenders, decorative panels, challenge shields, tea and coffee pots.

One whose occupation is to manufacture copper utensils; a worker in copper.

someone who makes articles from copper

Person who makes and repairs items of copper