Answer:

crutch

Answer	Crossword Clue
CRUTCH	Temporary support
CRUTCH	Support provider
CRUTCH	Support staff?

CRUTCH	An added support.
CRUTCH	Something to lean on
CRUTCH	Thing relied on for help
CRUTCH	Support for Tiny Tim
CRUTCH	Frequent cast auxiliary
CRUTCH	It can hold you up

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.