Person reading a manual (4)
I believe the answer is:
user
(Other definitions for user that I've seen before include "Drug addict (informal)" , "Consumer" , "Operator; drug addict" , "Junkie's" , "Person taking drugs" .)
I believe the answer is:
user
(Other definitions for user that I've seen before include "Drug addict (informal)" , "Consumer" , "Operator; drug addict" , "Junkie's" , "Person taking drugs" .)