Related Clues:

• Second: Abbr
• D.A.'s underling
• Igor, e.g.: Abbr
• Aide, in ads
• Jr. in an office
• #2: Abbr
• Busy ed.'s request
• Aide to an exec
• Amanuensis, e.g.: Abbr
• Abbr. in some office titles
• Part of T.A.: Abbr
• Part of ADA: Abbr
• Job-title modifier: Abbr
• Job title abbr
• Short right hand?