Safekeeping

Noun

 * 1) the act of keeping something safe; protection from harm, damage, loss, or theft
 * 2) the storage of assets in a protected area
 * 3) the responsibility of a guardian
 * 4) 🇺🇸 not returning checks; a system wherein banks keep checks (cheques) that people write, rather than returning them to the account holder with their monthly statement.

Thesaurus
care, charge, cold storage, conservancy, conservation, conservationism, cover, custodianship, custody, dead storage, defense, dry storage, environmental conservation, eye, forest conservation, forest management, guard, guardianship, guarding, hold, keep, keeping, lee, maintenance, preserval, preservation, preventive custody, protection, protective custody, refuge, safety, salvage, salvation, saving, shade, shadow, shelf-room, shelter, soil conservation, storage, storage space, stowage, stream conservation, support, sustentation, trust, upkeep, ward, warehousing, watchful eye, water conservation, wetlands conservation, wildlife conservation