Banishment by popular vote, a means adopted at Athens to rid the city of a person whose talent and influence gave umbrage
the state of being banished or ostracized (excluded from society by general consent); "the association should get rid of its elderly members--not by euthanasia, of course, but by Coventry"
Ostracism is the state of being ostracized or the act of ostracizing someone. those who have decided to risk social ostracism and stay on the wrong side of town. denunciation, tougher sanctions and ostracism from the civilised world