Person who may call tech support (4)
I believe the answer is:
user
(Other definitions for user that I've seen before include "One operating something" , "Drug addict (colloq.)" , "Utiliser" , "One taking advantage" , "Person who takes drugs" .)
I believe the answer is:
user
(Other definitions for user that I've seen before include "One operating something" , "Drug addict (colloq.)" , "Utiliser" , "One taking advantage" , "Person who takes drugs" .)