No we do have day jobs!!!
Hemiplegia is weakness usually neurological in origin. It effects one side of the body. Most commonly seen after a stoke so no license of any sort!!!!
There have been rare cases where people with paraplegia - weakness / paralysis of the legs - have been allowed to fly modified aircraft. Most are Vets. I seem to remember the CAA gave the first such rotary approval about ten years ago.
As with all OPs, the more information you provide, the better our response. and remember, we are not AMEs and our comments never replace a consultation with your own doctor!