When he's doing the "evil things" to himself or a consenting adult and violating no one's rights, yes he does have a right to do "evil things".
God will take care of judgement day.
His own right to life, obviously. And of course, all sin hurts others. No man is an island.
You seem to have accepted, at least to some degree, the prevalent equation of freedom with license. True freedom rests in the freedom to do God's will. Slavery to sin is just that, and is the opposite of human freedom.