Learn how to say Ousting correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word oust:
drive out or expel (someone) from a position or place:
the reformists were ousted from power
Law deprive of or exclude from possession of something.
Law take away (a court’s jurisdiction) in a matter.
late Middle English (as a legal term): from Anglo-Norman French ouster ‘take away’, from Latin obstare ‘oppose, hinder’