Assistant

7 clues
Aide
Helper
Second
Right hand
Watson, to Bell
Attorney's helper
Malamud novel (with "The")
Similar answers:
Actagainstants
Agassi
Agassis
Agassiz
Alassie
Aliassistance
Allhisassistants
Altoonassis
Amassing
Andreagassi
Annoyconstantly
Apassinginfancy
Apassingthing
Arionassis
Assassin
Assassinate
Assassination
Assassinbug
Assassins
Assi