How do you put a common noun for Mr.Beckman?

You can't directly replace "Mr. Beckman" with a common noun. "Mr. Beckman" is a proper noun, referring to a specific person.

To replace it, you need to consider what the context is and use a common noun that describes the role or relationship of that person. Here are some examples:

* If Mr. Beckman is a teacher: You could use "the teacher," "the instructor," "the professor," or "the tutor."

* If Mr. Beckman is a neighbor: You could use "the neighbor," "the resident," or "the homeowner."

* If Mr. Beckman is a coworker: You could use "the colleague," "the employee," or "the manager."

Let me know the context of Mr. Beckman's role, and I can give you a more specific suggestion.