A person who hectores; someone who bullies, intimidates, or criticizes others in an aggressive, domineering manner.
From the verb 'hector' with the agent noun suffix '-er,' referring to someone who performs the action of bullying or threatening behavior.
A hectorer is basically a bully with a fancy name—it's an old-fashioned word that perfectly captures that person who uses aggression and threats to push others around, from schoolyard bullies to aggressive politicians.
Complete word intelligence in one call. Free tier — 50 lookups/day.