Wiktionary
putschist
n. One who participates in a putsch. (from 19th c.)
Usage examples of "putschist".
The British were trying to establish direct contact with the German military putschists in order to encourage and aid them.
As the mood deteriorated, bottles of liquor appeared on the conference table and the putschists began the serious business of drinking themselves into a stupor.
Without the army behind them, the putschists have no way of swaying the masses.
Fyodor Lomov, one of the key putschists, fled Moscow to avoid arrest and was never heard from again.