As nouns the difference between preceptor and janitor
is that preceptor is the headmaster or principal of a school, especially a private school while janitor is (chiefly|us) someone who looks after the maintenance and cleaning of a public building.
preceptor
Alternative forms
* (archaic)
* (qualifier)
* preceptour (obsolete)
Noun
(
en noun)
The headmaster or principal of a school, especially a private school.
A teacher or tutor.
*
Derived terms
*preceptress
*preceptorship
janitor
Noun
(en noun) (female:'' janitress''' or '''janitrix (''rare ))
(chiefly, US) someone who looks after the maintenance and cleaning of a public building.
a doorman
Synonyms
* maintenance person
* (mostly British ) caretaker
* cleaner
* (British) concierge
* custodian
* (One who cleans and maintains a garden) groundskeeper
* curator
* porter