1. A bully.
transitive verb:
1. To intimidate or harass in a blustering way; to bully.
intransitive verb:
1. To play the bully; to bluster.
At both ends of the escalators, attendants . . . hector and berate any passenger who steps out of line.
-- Jeffrey Tayler, "A Means of Transport", The Atlantic, February 1998
. . .salespersons who glom onto you and relentlessly hector you until you buy a service agreement.
-- Dave Barry, "Service Calls", Washington Post, September 2, 2001
Hector derives from Greek Hektor, in Greek mythology the chief Trojan warrior and the eldest son of Priam, King of Troy.