"Vexer" is a word in ENGLISH

bulingót - Displeased, morose, stern, annoyed, dark-browed, vexed, put out, sulky, gloomy, glum, offended; to frown, scowl, knit one’s brows, …

A bully; a blustering, turbulent, insolent, fellow; one who vexes or provokes.

hinakít - To feel pain, uneasiness or mortification at the sight of another’s wellbeing or success, envy, spite, begrudge, be …

One who teases or vexes.

Lat To be harassed, vexed, or annoyed; to be prosecuted; as in the max-im,'Nemo debet bis vexari pro una et …