Howdy. Great project!
I’ve been following for a bit and did do a few searchs and didn’t find a simple and direct answer.
The closest I found was: Extension of the functionality of devices Meshtastic - #2 by geeksville
Is there an option to send and receive distress messages without joining a group?
Would be amazing if there where a range of options from ‘Come find me’ to ‘lost person (description)’