(n.) The act of banishing, or the state of being banished.

ban blackball blackballing blacklist boycott boycottage defrocking degradation demotion depluming deportation deprivation disbarment disfellowship displacement displuming exclusion excommunication exile expatriation expulsion extradition fugitation ostracism ostracization outlawing outlawry proscription relegation rustication stripping transportation unfrocking