gaffer in WordNet English dictionary

1. an elderly man
   old-timer  oldtimer  gaffer  old geezer  antique 
   
2. a person who exercises control over workers
   "if you want to leave early you have to ask the foreman"
   foreman  chief  gaffer  honcho  boss 
   
3. an electrician responsible for lighting on a movie or tv set
   gaffer