Thanks to K-C for sharing a few links and some insight:
Guidelines to claim right to use physical force as self defense?
Why can security guards/bar bouncers physically remove a person and it's not considered battery?
When can someone who's not a police officer use physical force?
-
[…] I don't think the age of the aggressor makes a difference from a self-defense standpoint, other than as it would enter into the reasonability and proportionality of the defensive force.
The short answer is no.
If someone is causing disruption, unless you are security or being physically assaulted, you can't do anything about it. If you are assaulted, you can use force, but not an unreasonable amount.
