Wiktionary
associators
n. (plural of associator English)
Wikipedia
Associators
Associators were members of a Military Association, more commonly known as a militia.
Usage examples of "associators".
They were fine cannon, eighteen-pounders, with their carriages, which we soon transported and mounted on our battery, where the associators kept a nightly guard while the war lasted, and among the rest I regularly took my turn of duty there as a common soldier.