1. people who steal something, especially in a sneaky or secretive way
Usage: formal; plural of purloiner

Examples

• The security cameras caught the purloiners taking office supplies.
• Library staff were on alert for purloiners of rare books.
• The purloiners made off with several valuable paintings.
• Hotel management installed new locks to deter purloiners.
• The purloiners were eventually caught and arrested.
• Store owners complained about purloiners targeting expensive items.