Occupation (4)
There are a few possibilities for this:
'occupation' is the definition.
(line can mean someone's occupation or industry)
This is all the clue.
(Other definitions for line that I've seen before include "short note" , "Policy - file" , "Dress" , "Railway track; policy" , "(Skin) wrinkle; limit" .)
'occupation' is the definition.
(work is a kind of occupation)
This is all the clue.
(Other definitions for work that I've seen before include "Monotonous song" , "Operate" , "Occupation" , "Anything made or done" , "Put in effort" .)
'occupation' is the definition.
(I know that employment is a type of occupation)
This is all the clue.
(Other definitions for employment that I've seen before include "The utilisation of something" , "A person's work or profession" , "Utilization" , "Paid work" .)
(Other definitions for pharmacist that I've seen before include "Drug dealer" , "Medicine dispenser" , "High-street chemist" , "Drug dispenser" , "One who dispenses medicines" .)
'occupation' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for livelihood that I've seen before include "source of income" , "Occupation" .)
'occupation' is the definition.
(trade is a kind of occupation)
This is all the clue.
(Other definitions for trade that I've seen before include "Commercial dealings" , "Business - (kind of) wind" , "A skilled craft to earn living" , "Barter or swap" , "Give and receive (blows)" .)
'occupation' is the definition.
(I know that career is a type of occupation)
This is all the clue.
(Other definitions for career that I've seen before include "Gallop" , "Progress of working life" , "Move rapidly in progress through life" , "Life (in terms of work etc)" , "Make rapid progress" .)
'occupation' is the definition.
(thesaurus)
This is the entire clue.
(Other definitions for living that I've seen before include "Existing" , "Alive, income" , "19 of London, or 25 of Africa?" , "Around" , "Quick; benefice" .)