Wiktionary
mind the store
vb. 1 (context literally English) To remain present in a retail business, in order to maintain the security of the premises and to serve customers. 2 (context idiomatic by extension English) To take active responsibility for a group or process, especially within an organization.
Usage examples of "mind the store".
These three were some of Annie's steadier customersand if it weren't that they all had jobs, Annie would have asked one of them to mind the store for her instead of Di.
These three were some of Annie's steadier customers-and if it weren't that they all had jobs, Annie would have asked one of them to mind the store for her instead of Di.