charge someone with

Contract with someone else (that nearest and dearest person would be ideal) to take charge of all means of contact with your office and deny you access.

Focus as a replacement for command speaks directly to what command is meant to accomplish while being agnostic with respect to the existence of someone in charge or particular lines of authority.

The person with the drinking problem has to take charge. Someone who has a bad habit or an addiction to alcohol needs to get help from a treatment center.