Profession: Smith
A Smith is a somewhat uncommon profession that's used to work with metals and ores. As such, its used to create all kinds of armor and weapons, usually the ones Warriors tend to favor.
Crafting
The Smith profession can be used to craft anything/everything that can be made with Metal or similar. This includes all Weapons, and many Medium or Heavy armors.
Even if it is not weapons or armor, as long as it is uses Metal as a crafting component, a Smith can create it.