Answer:

scab

Answer	Crossword Clue
SCAB	Replacement worker
SCAB	Sign of healing
SCAB	Surgical trace

SCAB	Cut cover
SCAB	Strike breaker
SCAB	Strikebreaker
SCAB	Striker's bane
SCAB	Picket line crosser
SCAB	Surgical crust
SCAB	Scrape evidence
SCAB	Picket-line crosser

SCAB	Strike defier
SCAB	Strikers' foe
SCAB	Strike-breaker
SCAB	Nonunion worker
SCAB	Nature's bandage
SCAB	Unionist's foe
SCAB	Wound cover
SCAB	Cut consequence

SCAB	Healing sign
SCAB	Strikebreaker, slangily
SCAB	Union enemy
SCAB	Union enemy (4)
SCAB	Strike underminer
SCAB	One who crosses the line
SCAB	Wound covering
SCAB	It may be a sore spot

SCAB	Line crosser of a kind
SCAB	Sore covering
SCAB	Union concern
SCAB	Strike replacement
SCAB	Wound remnant
SCAB	Scrape aftermath
SCAB	Certain line crosser
SCAB	Wound formation

SCAB	Sore protection
SCAB	Labor union foe
SCAB	Line crosser of a sort
SCAB	Picketer's bane
SCAB	One objecting to a called strike