deviant
adjective
°Of or pertaining to a deviation; characterized by deviation from an expectation or a social standard.
"At the trial, the extent of his deviant behavior became clear."
noun
°A person who deviates, especially from norms of social behavior.
"He was branded as a deviant and ostracized."
°A thing, phenomenon, or trend that deviates from an expectation or pattern.
"As the graph shows, the March sales trend is the deviant."