Sequestrate
Part of speech: verb
Definition: To sequester.
Withdraw
Part of speech: verb
Definition: To pull (something) back.To take back (a comment, etc).To remove, to stop providing (one's support, etc).To extract (money from an account).To retreat.
Example sentence: Discomfort levels in our societies are rising, or so it would seem. In theory, we invoke diversity and tolerance. But in real life, we raise our hackles and withdraw into ourselves.