Definition of safekeeper:
(n) :
A person or group who controls access to something or somebody.
(n) :
A person who guards or monitors passage through a gate.
(n) :
One who gatekeeps.
(n) :
A common orange and brown butterfly with eyespots, Pyronia tithonus, of the family Nymphalidae.
(n) :
(psychology) In dissociative identity disorder, an aspect of the personality that controls access to the various identities.
(n) :
(computing) A provider of core platform services with specific characteristics (Regulation (EU) 2022/1925 of the European Parliament and of the Council)