手て足あしとなる

expression, godan verb (-ru)

serve loyally; wait on hand and foot; be at someone's beck and call

Idiomatic expression meaning to act as someone's devoted helper, doing whatever they need. The reading しゅそくとなる is rare and literary.

• 彼かれは社しゃ長ちょうの手て足あしとなって働はたらいている。

  He works as the president's right-hand man.

• 秘ひ書しょは上じょう司しの手て足あしとなって動うごく。

  The secretary acts at the boss's beck and call.