You should never threaten to hurt someone physically.
Tom is on the playground at recess and sees a group of students playing a game of kickball.
Tom wants to join in the game with the other students.
Tom asks the other students if he can join in the game with them.
Tom threatens to beat up the other kids if they don't let him play with them.
Tom is allowed to play kickball with the other students and has a great time.
The other students tell their teacher that Tom threatened them, and he is given detention.