Light-fingered people is a term used to describe thieves. It is derived from the phrase 'light-fingered', which means to be quick and dexterous with one's hands. Thieves are people who steal, usually for personal gain. They may take items without permission or use deception to acquire them. They may also break into homes or businesses to steal money or goods. Theft is a crime that can have serious consequences, including fines and jail time.