defenestrate(политический контекст // Remove or dismiss (someone) from a position of power or authority.: ‘Margaret Thatcher and Tony Blair, seen as modernising go-getters in their early years in office, had eventually to be defenestrated by their own colleagues to save their party's reputation.'; informalYudinMS)
relinquish the reins as(передать бразды правления: Earlier this summer, Charles Morrow stepped down and relinquished the reins as the company's CEO.Zamatewski)