1. Synonyms for Banishes include expels, ejects, exiles, ousts, dismisses, evicts, expatriates, excludes, deports and excommunicates

2. Thus, the Church excommunicates, expels from her midst (when it is said, "Anathema to so-and-so", that means the same thing as, "So-and-so: out of here"), or Anathematizes for the same reason that any society does so