Reshuffle
Dismissal
noun, verbal noun
こうてつ
更迭 （こうてつ） Reshuffle, Dismissal
鋼鉄 （こうてつ、not on WK） Steel
交代 （こうたい） Change, Substitution, Shift
Yuri says 更迭 is mainly used for when a politician gets swapped for another because of a scandal.
Koichi こう was Switched with Tetsu てつ the iron man.