Answer:

rescuer

Answer	Crossword Clue
RESCUER	Fireman, sometimes
RESCUER	Bernard or Bianca, in a Disney film
RESCUER	Knight in shining armor

RESCUER	Lifeguard, on occasion
RESCUER	Perseus, to Andromeda
RESCUER	Lifeguard, at times
RESCUER	Serial hero, often
RESCUER	Hero
RESCUER	Lifesaver.
RESCUER	Liberator.
RESCUER	Liberator

RESCUER	Firefighter, at times
RESCUER	Savior
RESCUER	Lifesaver
RESCUER	Lifeguard
RESCUER	One who delivers
RESCUER	Saving face?