I thought you might be interested in looking at Directly target a command to a specific player.
https://forums.bohemia.net/forums/topic/235517-directly-target-a-command-to-a-specific-player/?do=findComment&comment=3443704
× Pasted as rich text. Restore formatting
Only 75 emoji are allowed.
× Your link has been automatically embedded. Display as a link instead
× Your previous content has been restored. Clear editor
× You cannot paste images directly. Upload or insert images from URL.