Related Clues:

• One way to read
• One who isn't 'clean'
• Abstainer's opposite
• Not an abstainer
• One to whom a warranty applies
• Person on a terminal
• ___ group (computer info source)
• Friendly intro?
• Software license party
• Techie's client
• Techie's customer
• -- -friendly
• In full voice
• Software buyer
• Exploiting sort