My husband now says either get it declawed or it's gone.
You can't keep this cat inside.
You have a couple of options IMO, because I am guessing the husband may have more pull than the cat.
1)Find the cat a good home
2)Front declaw. The cat can still climb trees and defend itself, although not as well.
3)Make it an outside cat only. You would have to make a suitable place for your cat to be comfy and warm- maybe a barn or garage.
As far as the outcry for declawing, of course it shouldn't be considered the first option.

But I would much rather someone declaw than put the cat in a shelter, have it put down, or something worse.
We ended up with a deaf kitten. We picked the quietest one.

We tried to give it back to the family we got him from- they refused. No one else wanted him. It was a real problem because when you were behind him, he would startle and attack you. Not either one of our faults- just something that couldn't be avoided. My kids were 3 and 4 at the time and were being clawed just for walking around the house. We debated what to do, and ended up going for front and back declaw since a deaf cat should never be outdoors for their own safety anyway. After 11 years, 2 dogs, another toddler- let me tell you, that cat can defend itself in no uncertain terms even without claws. And our case is extreme- usually declawing only includes the front ones. And they do grow back! We still have to trim them from time to time, but the cat usually picks at them and pulls them out by himself with his teeth. Cat TMI.
Just try to do the best thing for the cat, which is IMO whatever you need to as long as you have its best interests in mind. Good luck with whatever you decide.