Lay hands on lout at last? That’s a sore point! (5)
I believe the answer is:
touch
'lay hands' is the definition.
The definition and answer can be both acts as well as being singular nouns.
Maybe they are linked in a way I don't understand?
'on lout at last? that's a sore point' is the wordplay.
'on' is a charade indicator (letters next to each other).
'at last?' indicates one should take the final letters (I've seen 'at last' mean this).
'that's a sore point' becomes 'ouch' (I can't justify this - if you can you should give a lot more credence to this answer).
The final letter of 'lout' is 't'.
't' put next to 'ouch' is 'TOUCH'.
Can you help me to learn more?
(Other definitions for touch that I've seen before include "Deal with" , "Compete with" , "Distinctive detail" , "Manner of playing piano, say" , "Affect; a small amount" .)