'Isolation' in the Bible

The whole time he has the infection he will be continually unclean. He must live in isolation, and his place of residence must be outside the camp.

But the LORD told Moses, "If her father had merely spit in her face, wouldn't she be humiliated? She is to be placed in isolation for seven days. After that, she may be brought in."

Then Haman informed King Ahasuerus, “There is one ethnic group, scattered throughout the peoples in every province of your kingdom, yet living in isolation. Their laws are different from everyone else’s and they do not obey the king’s laws. It is not in the king’s best interest to tolerate them.