The word "disruptant" belongs to the same family as "disrupt" and refers to someone or something that causes disruption or disturbance. Some common synonyms for this word are "troublemaker," "instigator," "aggravator," "disturber," "provocateur," "mischief-maker," and "agitator." Other related terms that could be used include "incendiary," "firebrand," and "rabble-rouser." All of these words generally describe someone or something that creates chaos or confusion in a particular situation, whether through intentional or unintentional actions. Whether used in a positive or negative context, synonyms for "disruptant" help to convey the power and impact that such individuals or events can have.