nep·o·tism /ˈnɛpəˌtɪzəm/
  偏袒,起用親戚
  Nep·o·tism n.  Undue attachment to relations; favoritism shown to members of one's family; bestowal of patronage in consideration of relationship, rather than of merit or of legal claim.
     From nepotism Alexander V. was safe; for he was without kindred or relatives.  But there was another perhaps more fatal nepotism, which turned the tide of popularity against him -- the nepotism of his order.   --Milman.
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  nepotism
       n : favoritism shown to relatives or close friends by those in
           power (as by giving them jobs)