Order shed to be picked up (5)
I believe the answer is:
caste
'order' is the definition.
(I've seen this in other clues)
'shed to be picked up' is the wordplay.
'shed' becomes 'cast' (I've seen this before).
'to be picked up' shows a homophone (sound like).
'cast' is a homophone of 'CASTE'.
(Other definitions for caste that I've seen before include "Social station" , "Social order" , "Exclusive social class" , "Social class in Hinduism" , "Hereditary social class among Hindus" .)