gaffer

noun7

1. •
   (informal) An old person, usually a man.

   • If thou return not, Gammer o'er her pail Will sing in sorrow, 'neath the brinded cow, And Gaffer sigh over his nut-brown ale […] — 1845
2. •
   A chief lighting technician for a motion-picture or television production.
3. •
   (UK, informal) The leader of a group or team, such as a boss, foreman, coach, or publican.

   • And you're here to tell me what's what. Just like your bloody gaffer promised. — 2022
4. •
   A glassblower.

   • The apprentice carries a gather of glass on the blowpipe to the gaffer's bench […] — 2003
5. •
   Someone aboard a boat whose duty is to gaff a (large) fish once the angler has reeled it in.
6. •
   A sailor.
7. •
   (Canada) The baby in the house.