Ouster often involves power struggle within organizations or groups. The ouster of the union leader was due to an internal power struggle.
Pro Tip 2/3
Negative Connotation
Ouster usually implies a forceful or involuntary removal and can suggest wrongdoing or failure. The scandal led to the ouster of several high-profile executives.
Pro Tip 3/3
Formal Context
Primarily used in formal contexts, such as corporate or political discussions. After the vote of no confidence, the president faced ouster from office.