ABERRANT

deviating form the norm

NOUN - one whose behavior departs substantially from the norm of the group

Syn - deviant, deviate

"Jimmy didnt himself change when he moved to the other side of the town, but while at McKinley he was just another bloke, at Jefferson he was an abberant."

"Such aberrant activity was why so many simple-minded people couldn't handle his presence, it went against the norms they had always known and been comfortable with."

"One day Billy refused to stand for the daily announcements, it was this sort of abberant activity which made the class president, Julie, so oddly attracted to him."