The person who has charge of the light in a lighthouse or lightship.(noun)
The Century Dictionary (Public Domain)
Use "light-keeper" in a sentence
"On these occasions, the light-keeper is seen in his best mood, and is the perfection of politeness and urbanity, for then a hope of reappointment is betrayed in every movement."
"They said some of the wreckers had been arrested, and had incriminated the assistant light-keeper."
"The light-keeper at Ediz Hook told us to-day that he had exhumed an old"