In the Glasgow area, any thing, person, or event that causes pain or outrage may be referred to as a bandit, especially in exclamations such as ya bandit!
Robbers are sometimes called bandits, especially if they are found in areas where the law has broken down. This is real bandit country. = outlaw. someone who robs people, especially one of a group of people who attack travellers (bandito, from bandire )
plural banditti or bandits , properly means outlaw (Italian, bandito, banished, men pronounced "banned") As these outlaws very often became robbers, the term soon came to signify banded highwaymen