Custodial (adjective)

1. Relating to or involving the care or guardianship of someone or something.
2. Relating to or responsible for maintaining, cleaning or taking care of a building or facilities.

Origin:

Late 16th century: from latin custodialis, from custodia "guardianship".

Examples:

1. The custodial staff were responsible for keeping the building clean.
2. The custodial parents had the responsibility of raising the children.
3. The custodial duties included making sure the equipment was in good condition.
4. The custodial staff received special training for handling hazardous materials.
5. The custodial worker was commended for his attention to detail.