10 letters · 20 points in Scrabble
noun someone who is morally reprehensible
verb subject to laughter or ridicule
verb use foul or abusive language towards
originFrom black + guard, thought to have referred originally to the scullions and lower menials of a court, or of a nobleman's household, who wore black liveries or blacked shoes and boots, or were often stained with soot.
Etymology from Wiktionary, CC BY-SA 3.0