Related Clues:

• Manipulative one
• Target of certain fees
• String puller
• One logged in
• Computer owner
• Friendly opening?
• Grisham title (with "The")
• Internet patron
• Benefactor
• 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)