postgresql – How to backup only a specific database and the users of the database in pgadmin 4?

So in pgadmin 4 I only know how to make a backup of the whole server or make a backup of a database

but what happens if I want to make a backup of a specific database and the users of the entire database?

I'm asking this because they gave us a project to do in pgadmin4, now I want to give them the database and the users I did but I do not know how to do it without making a backup of the whole server?