scourge

nouns

a whip used to inflict punishment (often used for pedantic humor)
something causing misery or death
"the bane of my life"
a person who inspires fear or dread
"he was the terror of the neighborhood"

verbs

punish severely; excoriate
is derived from
is a type of (narrower)
impose a penalty on; inflict punishment on
"The students were penalized for showing up late for class"; "we had to punish the dog for soiling the floor again"
whip
"The religious fanatics flagellated themselves"
is derived from
cause extensive destruction or ruin utterly
"The enemy lay waste to the countryside after the invasion"