That makes no sense; you said Christians are obligated, legally and morally I presume, to pay whatever tax “Caesar” claims is due him.
Then, you bring up the concept of overthrowing the government.
Which is it?
It can’t be both.
Or are you claiming that you have to pay Caesar until you kill him?
Read the writings of the Black Brigade of the American War for Independence. The Black Brigade were the preachers who joined the Continental Army to fight the British.