Omwani coffee in the UK has recently released a Madagascar origin specialty coffee, and they claim to be trying to work with local producers, it might be worth reaching out to them. You might also want to reach out to other boutique coffee producers, many of them have farmer education programs (counter culture and square mile are the first two that come to mind).
Meta-advice, find people who actually understand the business and get their opinions. This forum is great for CS startups, but it’s full of people who think their success in one field means they are experts in everything they’ve read an article about. Be skeptical.