Zipser Willkür is a legal term that means arbitrary (random or unfair) exercise of power. It basically means that someone in a position of authority is not following the rules and making decisions that don't make sense or are not fair.
Let's say you're playing a game with your friends and you all agree to follow certain rules. But then one friend decides to change the rules in the middle of the game just to give themselves an advantage. That would be an example of zipser willkür because they're not following the agreed-upon rules and are making arbitrary, unfair decisions.
In a more serious situation, zipser willkür can have very serious consequences, like a government leader using their power to unfairly punish people who disagree with them or a boss discriminating against an employee for no reason.
Overall, zipser willkür means that people in power are not using their power in a fair, just, or consistent way, and that can cause harm to others and undermine the rule of law.