Nietzsche's Ubermensch will act as his own God, giving himself morality and value as he sees fit according to him alone. The Ubermensch is neither slave or master as he does not impose his will upon others. The Ubermensch is an independent individual who has the power to banish herd instincts from his mind and become a master of self discipline.
Above all, the Ubermensch is the next step in human evolution. Every human must deal with the question "What is the meaning of life"- some say God and Heaven, others say ultimate objective virtue, but the Ubermensch will give life value that is not based on superstition or mystical folly. The Ubermensch finds value in his life experience because it cannot be reasoned out through argument and logic. The Ubermensch would say that the meaning of life is that you die, so make it valuable.
The Ubermensch is the ultimate realization of the Will to Power, but no necessarily over others. His most valuable power is over himself. "He cannot rule himself will certainty be ruled by others"- Nietzsche
guy 2: yea, I totally nailed it!
guy 1: you're so Übermensch!
guy 2: thanks!
Neil Patrick Harris is such an Übermensch actor!
Raffaello Sanzio is the Barney Stinson of the Renaissance world. He's Übermensch!