sidekick /ˈsaɪdˌkɪk/

• 1. 

  N-COUNT Someone's sidekick is a person who accompanies them and helps them, and who you consider to be less intelligent or less important than the other person. 助手 [非正式] [oft poss N]

  例：

  His sons, brother and nephews were his armed sidekicks.

  他的儿子，兄弟和侄子都是他的左膀右臂，他们都配备了武器。