What Other Jobs can a Web Designer be?

If you are trained in web design and would like to design websites that will be pretty much stuck. You can do other jobs, but still involve web sites to some extent, because, well, that's his skill.  

You can do things like: 

• Affiliate marketing / CPA marketing
• Learn some SEO techniques and become a consultant
• Launch a web development and / or SEO company

To be honest you should use your imagination with the skills they have. Learn more about the web, and then see what people want, and give it to them.