oust
/aʊst/verb
with obj.
1- drive out or expel (someone) from a position or place撤职, 驱逐：
the reformists were ousted from power.
改革者被罢免。
1.1
- Law deprive (someone) of or exclude (someone) from possession of something【律】剥夺。
1.2
- take away (a court's jurisdiction) in a matter撤销（法院对某事的司法权）。
词源
late Middle English (as a legal term)： from Anglo-Norman French ouster 'take away'， from Latin obstare 'oppose， hinder'.