 | Quote: |  | | | | | | | | | |
Your could try getting them to sign an NDA, | |  | |  | |
Vivodevo, in case your wondering NDA stands for Non-Disclosure Agreement.
Non-disclosure agreement - Wikipedia, the free encyclopedia
Signing an NDA is probably your best bet. Copyright your work is also recommended however it won't stop anyone from stealing your core concept and tweaking it a bit so that it can argued to be original.
Lastly,
Johnny Cupcakes had a design copied by retail giant Urban Outfitters.
So the point is, if a succesful designer like Cupcakes can get his idea stolen, anyone can.