Strikebreaker (4)
'strikebreaker' is the definition.
(synonyms)
This is all the clue.
(Other definitions for scab that I've seen before include "Crust of congealed blood" , "Dried surface of wound" , "he refuses to come out" , "complaint with scales" , "Evidence of healing wound - crosser of picket line" .)
'strikebreaker' is the definition.
(synonyms)
This is all the clue.
(Other definitions for blackleg that I've seen before include "One who breaks a strike by working" , "one not out, controversially" , "Person who works while others are on strike, having dark limb" , "Strikebreaker - disease of farm animals" , "Scab, strikebreaker" .)