Replica.
Welcome to the Forum Ryan.
The only suggestion i can make is "Resident Liaison Officer." If you can give us a bit more detail on Lewis Wilson ie:- D of Birth ,where he lived, D of death, was he Married ,Wife's name etc.We may be able to track him down and get more info for you.
I have adjusted your pic. of his name to make it easier on the eye.
It need not be an occupation It could be his Initials in which case it could be this chap,
Ronald W L Wilson in 1939
DoB 03 Aug 1892
Male Solicitors Cashier- Book Keeper
Address. "Red Walls" Swan Lane, Marlpit Hill, Sevenoaks R.D., Kent, England