A junk dealer is a person who works in the field of collecting and selling old or discarded items. Some common synonyms for the term "junk dealer" include scrap dealer, salvage dealer, and recycling dealer. A scrap dealer deals in buying and selling scrap metal or other recyclable materials. A salvage dealer, on the other hand, is someone who buys and sells salvaged materials or damaged items to be rebuilt or refurbished. Lastly, a recycling dealer is someone who buys and sells used materials for the purpose of recycling or repurposing them. Each of these synonyms describe someone who works with old or discarded items, making use of them in various ways.