custodian

1 ENTRIES FOUND:
custodian /ˌkʌˈstoʊdijən/ noun
plural custodians
custodian
/ˌkʌˈstoʊdijən/
noun
plural custodians
Britannica Dictionary definition of CUSTODIAN
[count]
1 
formal : someone who keeps and protects something valuable for another person — often + of
— often used figuratively
2 
US : a person who cleans and takes care of a building : janitor