cast out

Forcibly drive out, expel, as in We have to cast out these old-fashioned ideas and methods. [Late 1200s]

The verb has 2 meanings:

Meaning #1: expel from a community or group
  Synonyms: banish, ban, ostracize, ostracise, shun, blackball

Meaning #2: throw or cast away
  Synonyms: discard, fling, toss, toss out, toss away, chuck out, cast aside, dispose, throw out, throw away, cast away, put away