conservator  
noun [ C ] uk/kənˈsɜː.və.tər/ /ˈkɒn.sə.veɪ.tər/ us/kənˈsɜ˞ː.və.t̬ɚ/ /ˈkɑːn.sɚ.veɪ.t̬ɚ/
  (OF PERSON OR ORGANIZATION)      
 law US specialized监护人,监护方 
a person or an organization that has been legally chosen to control the finances or property of another person, company, or organization
  A judge appointed a professional conservator to look after the young man's interests. 法官指定了一位专业监护人照顾这位年轻人的利益。 
 Top executives are being replaced and the companies will be put under the supervision of conservators.  这些公司的高管正被撤换,公司将由监护方管理。 
 - More examples
 - The mother and sister say that the law leaves mentally disabled people at the mercy of conservators.
 - The bill would allow unmarried partners to make medical treatment decisions for one another and to act as a conservator for their partner.
 - The two companies will now be overseen by a conservator, the Federal Housing Finance Agency.