What does keizer mean?

"Keizer" is a Dutch word that translates to "emperor" in English. It's often used in historical contexts, referring to the rulers of the Holy Roman Empire or other empires with imperial titles.

Here are some examples:

* Keizer Karel V (Charles V, Holy Roman Emperor)

* Keizer Napoleon (Napoleon, Emperor of France)

It's also sometimes used as a title for other powerful figures, such as:

* Keizer Willem-Alexander (King Willem-Alexander of the Netherlands)

In some cases, "keizer" can be used in a more informal or figurative way to refer to someone who is very powerful or influential within their field.