custodian

noun

Etymology: From a shortening of Latin custōdiānātus, from Latin custōdia (“a keeping, watch, guard, prison”), from custōs (“a keeper, watchman, guard”). By surface analysis, custody + -ian.

1. A person entrusted with the custody or care of something or someone; a caretaker or keeper.

   “After their parents' death, their aunt became the children's custodian.”

   “The building's custodian could fix nearly anything. The place always looked great!”

2. An administrator.
3. A gaolkeeper.
4. A protector or guard.
5. A janitor; a cleaner.