Push away social outcast turning up (5)

I believe the answer is:

repel

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'push away' is the definition.
'repel' can be an answer for 'push' (repelling is a kind of pushing). I'm not sure about the 'away' bit.

'social outcast turning up' is the wordplay.
'social outcast' becomes 'leper' (I've seen this before).
'turning up' shows that the letters should be reversed in order.
'leper' written backwards gives 'REPEL'.

Can you help me to learn more?

(Other definitions for repel that I've seen before include "Drive back or ward off" , "Drive back - revolt" , "Fend off" , "Drive back like leper" , "Fight off - drive back" .)

I've seen this clue in The Sun.

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