The thing that is a sash like object that holds a katana is called an obi.
Phloem
The thing that holds dead man ashes is called an Urn I believe :)
A sheath.
A bobbin or a Spool
Filament.
Tomb or sarcophagus
sunglasses holder?
an easel
Lignin is the material in wood that holds it's fibers together.
The "necklace" piece is called a Lanyard. Then the other piece that holds the card is called an ID Protector.
Always called it a tree stand.