Planning something along those lines yeah. The person(s) in question are nurses from home help that would need a tag or card to open medicine lockers, enable kitchen equipment and so on so they already have tags anyway.
I created temporary phone accounts all based on more or less the same e-mail address (gmail allows random +extensions on existing usernames… handy!) - just to get them added to “the family”. Subsequently removed the accounts from my phone again so now they exist in homey only 
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