Yes - definitely.
No, any citizen can make an arrest, not just a uniformed police officer.
"You are under arrest!" said the police officer.
Yes, of course. An arrest warrant is a command from a judge to arrest a person. Usually a police officer has no choice and must arrest.
An arrest refers to the lawful deprivation of the freedom of an individual by a peace officer. A police officer may arrest a person if he reasonably believes a crime has been committed without a warrant.
No, in most jurisdictions, citizens are not legally allowed to perform a citizen's arrest on a police officer.
yes
A police officer making an arrest
No.
No, a police officer cannot issue a warrant for your arrest only a judge or court magistrate can do that.
Assuming that you are a police officer; yes you can. If you are not a police officer you should check with your local laws before wearing a police uniform anywhere.
Any police officer or sheriff.
No. They cannot.