Follow them or Face Punishment
No Killing of Humans is permitted unless they, knowing you to be a non human, attacks and attempts to kill you.
Lying to or withholding information from a Seeker or The king his self are crimes suitable for death.
If you encounter a Shinigami. Leave them alone. To do not confront, or attack. You must not interfere in the business of the Shinigamis. If you do, the punishment won’t be a happy one.
If you encounter a Arrancar. Destroy on site. Any other hollow is subject to termination by any party.
