troubler

Plural: troublers

Noun

A person or thing that causes difficulty, annoyance, or distress.
someone who deliberately stirs up trouble
One who, or that which, troubles; a disturber.

Examples

His opponent was a constant TROUBLER, always blocking his best plays.

Origin / Etymology

From trouble + -er.

Synonyms

bad hat, mischief-maker, trouble maker, troublemaker

Scrabble Score: 10

troubler: valid Scrabble (US) TWL Word
troubler: valid Scrabble Word in Merriam-Webster MW Dictionary
troubler: valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 13

troubler: valid Words With Friends Word