Fred is telling Scrooge about the virtues of keeping Christmas, and Bob who is listening applauds Fred's words. Scrooge counters this by telling Bob that any more of this Christmas talk and he (Bob) will lose his position (he will sack him).
Scrooge yells at Bob because he is angry about Bob wanting to take Christmas Day off to spend time with his family. Scrooge sees this as an unnecessary expense and an inconvenience to his business.
Scrooge yells at Bob because he is a miserly and cruel employer who values profit above all else. He sees Bob as incompetent and lazy, and uses yelling as a tactic to intimidate and control him. Scrooge's behavior is a reflection of his overall lack of compassion and humanity towards his employees.
Ebenezer Scrooge was Bob Cratchit's employer.
Bob Cratchit is Scrooge's employee.
To highlight the loyalty of bob to Scrooge and to bring out the feeling of dislike by Bobs family for the way Scrooge treats Bob
This is from the screen play and not the book. Bob thinks that Scrooge on Boxing Day Morning had lost all reasoning and gone mad when he saw him dance about the office and offer Bob more coal.
Bob Cratchit is Scrooge's employee.
He doubled his wages on the day after Christmas
This is not actually in the original book. There are references in stage play scripts. The reference is because Bob thinks that Scrooge has gone mad when offering Bob a pay rise on Boxing Day (26th December)
Bob Cratchit. He is Scrooge's clerk.
The Cratchits were outraged that Bob wanted to drink to Scrooge's health because they knew that Scrooge was underpaying Bob as well as mistreating him
Scrooge's only employee was his clerk Bob Cratchit.
In "A Christmas Carol," Bob Cratchit refers to Scrooge as his employer. He mentions Scrooge as "the Founder of the Feast" when discussing Christmas dinner with his family, highlighting Scrooge's financial impact on their lives. Despite Scrooge's harsh demeanor, Bob Cratchit still tries to maintain a sense of respect and gratitude towards him.