Actually no - the lighthouse keeper's duty is towards the light (if you want a really interesting read - the Lighthouse Stevensons - about the Scottish family that built many of the lights around the UK will bore the pants of everyone except a WW)

One thing I read a while ago that I quite liked is "you're the lighthouse, not the tugboat". Keep in mind you "both" are standing in a fog.

On BD
H52, W50
T27, M26
S21, D23
BD-9-Mar-16
D-15-Jan-18 Final-19-Apr-18
I am a storyteller. The story may do you no good.
But a story is never for the listener. It is always for the one who tells