They are uncompromising in such matters and ostracize any one of their members who marries an outsider.
"A Stake in the Land"
Peter Alexander Speek
At length, coming to a final contest with Thucydides, which of the two should ostracize the other out of the country, and having gone through this peril, he threw his antagonist out, and broke up the confederacy that had been organized against him.
"Plutarch-Lives-of-the-noble-Grecians-and-Romans"
Clough, Arthur Hugh
The families of such social deviants were pitied and aided, but the offending individuals were avoided-"To whatever extent we could we would ostracize them."
"Frying Pan Farm"
Elizabeth Brown Pryor