Blackleg (4)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">blackleg</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that blackleg can be written as scab)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for scab that I've seen before include "One regarded with contempt" , "Strike breaker" , "Crusted sore on cut or wound" , "Someone who works during a strike" , "Crust over sore or strike-breaker" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">blackleg</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for strikebreaker that I've seen before include "One won't come out" , "Blackleg" , "Scab" .)