Obtain a name tag from chests, fishing, trading, or other loot sources
Rename the name tag in an anvil using an experience level and a chosen name
Hold the renamed name tag in your hand
Right-click or use the item on a mob to apply the name tag
Use the name tag on most mobs to prevent them from despawning
Use special names like Dinnerbone or Grumm to flip certain mobs upside down
Use the name tag on a mob to give it the custom name you entered
Use the name tag on villagers, animals, monsters, and other renameable mobs
Use the name tag on a mob while sneaking if needed on your platform
Keep the named mob safe, since the name tag does not make it invincible