/
Summon a mannequin using a player's skin by naming an armor stand with a name tag.
Rename an armor stand to:
MN:<playername>
On the next tick, the datapack replaces that armor stand with a mannequin summoned using that player's profile.
Use this command anytime for in-game help:
/trigger mannequin-stand_help
Armor, tools, and other items equipped on mannequins are NOT dropped on death.
!help

Name an Armor stand the name of a player and it will turn into a mannequin of them.