Related Clues:
- One with a handbook
- Software agreement reader, supposedly
- Manipulative fellow
- Fan of drugs or computers or both
- Reduced expenditure, suitably from the right client
- Manipulative type of boss? Sure!
- Password possessor
- Person taking advantage of devious ruse
- PC sort?
- End-___ license agreement
- App purchaser
- Patron of a sort
- Tweeter, say
- Rehab enrollee
- One with an ID