If I had a complete, working, practical free energy device - and wisely feared for my life - I would consider finding someone who is a staunch Zionist/Israeli patriot, with a scientific background and donating it to him. Political jiu-jitsu, I say.
At this point, I think many of us are so angry and disgusted by the greed and legal invunerability of the ruling class, that I would give it away, just to end their misrule.