Chairs in the General Assembly?

• Votes out of office
• Defeats in a way
• Defeats, as an incumbent
• Ousts from office
• Beats, as an incumbent
• Throws from a saddle
• Topples
• Wins a race against, perhaps
• Defeats, in a way

Wiktionary Word definitions in Wiktionary
vb. (en-third-person singular of: unseat )