For the purpose of this chapter, the following terms, phrases and words shall have the meanings given herein:
The Chief of Police.
Any person, partnership, association or corporation lending money on deposit or pledge of personal property, other than choses in action, securities or printed evidences of indebtedness; or purchasing personal property on condition of selling it back at a stipulated price; or doing business as a furniture storage warehouseman and lending money on goods, wares or merchandise pledged or deposited as collateral security.
An article or articles deposited with a pawnbroker in the course of his business.
A person who delivers the pledge into possession of a pawnbroker, unless such person discloses that he is or was acting for another, in which event "pledgor" means the disclosed principal.