A person who testifies against you is often called a "perjurer" or "liar." (wink)AnswerThe opposing party's witnesses are generally called to testify against you. If you are being tried criminally, they are often called "State's witnesses."
A person who is in touch with themselves
Protecting a person from themselves can prove to be fairly difficult. It is ideal to call help for them if they are in danger of hurting themselves.
closed off
A recluse.
A misguided hypochondriac
they called themselves patriots because they were against British rule
First of all it's not against the law to have mental illness. If the person's behavior is not harming anyone but just appears 'crazy' to you, then you do nothing but avoid that person if you are uncomfortable. Only when a person's behavior is a threat to others or themselves, do you need to call someone. You call 911. The responders should be trained to deal with 'crazy' behavior.
A traitor
A rebel.
a trumpet soloist
a hipporcet