In respect to this, can you get in trouble for fighting a coworker outside of work?
Employment-at-will means that both the employer and the employee can end the employment relationship at any time without notice or reason. So if the reason for your termination is not illegal under the laws of your state, then yes, your employer can fire you for what you do on your own time, outside of work.
Additionally, can you get fired for harassment? Yes, private-sector employees terminated as a result of shoddy sexual harassment investigations may be able to sue their employers under labor, contract, or tort law, depending on the circumstances.
In this way, can you be disciplined for something outside of work?
The short answer is that they can, provided the conduct outside of work has a bearing on the employment relationship. We are increasingly seeing disciplinary action being taken for employees' inappropriate use of social media outside of work. These cases will generally turn on their own facts.
Can you get fired for something outside of work UK?
Dismissal for conduct outside of work is nothing new. Their guidance states “if an employee is charged with, or convicted of a criminal offence this is not normally in itself reason for disciplinary action.