Is It a Tribune of the Plebs?

Plutarch knows that eventually all power will devolve to one man, and there will be an emperor. And he knows that in the first century, rs going to fall apart because of those fears tyranny of a dictator. But it does seem to be happening, even at this point, that they worry that tiberius is accumulating too much power. So how does tiberius react? He knows that he needs to continue what he's doing,. To do that, he needs to be in a position of power he needs to hold a magistracy.