ouster

noun

1. a person who ousts or supplants someone else

   noun.person

   Synonyms ejector

   Source: WordNet 3.0

2. a wrongful dispossession

   noun.act

   Source: WordNet 3.0

3. the act of ejecting someone or forcing them out

   noun.act

   Synonyms ousting

   Source: WordNet 3.0

4. A putting out of possession; dispossession; ejection; disseizin.

   noun

   Source: webster1913