dethrone

verbs

remove a monarch from the throne
"If the King does not abdicate, he will have to be dethroned"
dethrone
is derived from
dethronement
antonym
enthrone
is a type of (narrower)
deprive of status or authority
"he was divested of his rights and his title"; "They disinvested themselves of their rights"
disinvest, divest