後釜
あとがま
successor
replacement
second wife
後釜にすえる
あとがまにすえる
to install (a person) in (someone's) place
後釜に座る
あとがまにすわる
to take someone's place
to step into someone's shoes
to succeed someone in his post
後釜に据える
あとがまにすえる
to install (a person) in (someone's) place