custodian
🇺🇸
/kʌˈstəʊdiən/
🇬🇧
/kʌˈstəʊdiən/
A person who is in charge of looking after something important, like a building or a precious object.
The custodian made sure the museum's artifacts were safe and well-maintained.
A person whose job is to look after a building, like a school or an apartment building, and make sure it's clean and safe.
The school custodian locked all the doors after the students left for the day.