Shunning company using computers, I see, after trifling returns (8)

I believe the answer is:

eremitic

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'shunning company using' is the definition.
I can't tell whether this defines the answer.

'computers i see after trifling returns' is the wordplay.
'computers' becomes 'IT' (information technology).
'see' becomes 'C' (the word for the letter, according to Chambers).
'after' is a charade indicator (letters next to each other).
'trifling' becomes 'mere' (I've seen this in another clue).
'returns' is a reversal indicator.
'mere' in reverse letter order is 'erem'.
'it'+'i'+'c'='itic'
'itic' after 'erem' is 'EREMITIC'.

Can you help me to learn more?

(Another definition for eremitic that I've seen is " Solitary".)

I've seen this clue in The Guardian.

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