The crossword solution for the term 'Prefix with Marketer' is TELE. This prefix is derived from the Greek word 'tele', meaning 'far off'. It is commonly used in marketing to refer to activities that involve communication over a distance, such as telemarketing or telesales. Telemarketing is a form of direct marketing in which a salesperson contacts potential customers by telephone in order to promote products or services. Telesales is a similar activity, but involves the customer making a purchase over the phone.