Being a resident of Germany is required to be eligible for legal insurance, so you can't keep the policy after you relocate abroad. Once you move out of the country, you'll need to cancel your coverage.
How do I cancel my legal insurance when I relocate?
You can cancel your legal insurance yourself through your Feather account at any time. A notice period of 1 month applies, which means your termination date may fall after your move-out date.