custodian
Translation
custodian, caretaker, janitor, guardian
Examples
The school custodian cleans the classrooms every night.
The school caretaker cleans the classrooms every night.
He is the custodian of the rare book collection.
He is the custodian of the rare book collection.
Grammar Patterns
a/the custodian ((of sth.)) a person who takes care of (sth.) The custodian of the museum is very knowledgeable.
Similar Words
Synonyms: janitor, caretaker, keeper, guardian
Etymology
From Latin 'custos' (guardian). The '-ian' suffix denotes a person with a particular skill or job.
Memory Tips
Think of a 'custodian' as someone who has 'custody' of a place or thing.