Scripting ,speed changes, color changes and sword level changes

[Toxen]

Can someone help me learn how to change the color of the player through a script that everyone sees or a gani ,and how to set the players speed higher, and last but not least how to change the sword level and how to make the npc to unequip after 30 second and then not to be able to use after 1 minute again.
-Thanks,
Toxen!