Answer: scabbed

AnswerCrossword Clue
SCABBEDCrossed the line, in a way?
SCABBEDWas a strikebreaker
SCABBEDCrossed a picket line
SCABBEDReplaced a striker
scabbedworker who takes a striker's place on the job
scabbedcrust forming over a sore
scabbedSCAB, to become covered with a crust over a healing wound
scabbedto become covered with a scab
scabbedto form a scab
scabbedto work as a scab
scabbedact as a scab