if you're uncomfortable with the idea of uploading your consciousness to the cloud then you're a Luddite?

I'm uncomfortable with the idea of uploading yourself into the cloud based on the idea that who "I" am depends on a stream of existence that can't just be "copied" over to a computer. In order to upload who I am into a machine, you would need to slowly replace and integrate my physical brain and it's processes into the machine.

So I do not fear the concept, making me not a Luddite, I fear the implications of what "I" am, and if the process would kill me.

That would apply to the definition as well. If you fear the concept purely because the concept exists, or because of the direct consequence, you are a Luddite. If you are against some thing because of legitamate concerns, then you have concerns.

Fearing the loom because it'll "kill jobs" makes you a luddite because you oppose the use of looms in general. Fearing them because it might hurt workers using them is less-so, and can be resolved with further technological progress.