Hello,
Welcome to the forum
I'm so sorry to hear of your suffering. No one should be made to feel like they should just give up. This illness really takes a toll and doctors don't always understand that, but I would urge you to try and see someone.
That pain could be Crohn's related, but it could also be something like your gallbladder or liver, so it's worth getting checked out again. You are entitled to ask for as many opinions as it takes to get you the answers that you need. Please don't give up.
Many of us here understand the frustration of not being understood by the medical professionals. I personally had to battle for a really long time before I found a team I was happy with. I got called annorexic, got told it was just growing pains, was made out to be exaggerating and even told I was cured after surgery. So I can really relate to feeling like you're banging your head on a brick wall, as will many people here.
If nothing else, they should be able to help you with pain management, which it sounds like you really need right now.
Please don't give up on yourself. You've reached out for support and that's a great start, so don't stop now. Please feel free to post as much as you need to and don't be afraid to vent. We're all in the same boat here and we won't judge you.