custodian
(11) The term “custodian” means— (A) receiver or trustee of any of the property of the debtor, appointed in a case or proceeding not under this title; (B) assignee under a general assignment for the benefit of the debtor’s creditors; or (C) trustee, receiver, or agent under applicable law, or under a contract, that is appointed or authorized to take charge of property of the debtor for the purpose of enforcing a lien against such property, or for the purpose of general administration of such property for the benefit of the debtor’s creditors.
Source
11 USC § 101(11)
Scoping language
None identified, default scope is assumed to be the parent (chapter 1) of this section.