Answer:

HEEDER

Answer	Crossword Clue
HEEDER	One obeying
HEEDER	Attentive one
HEEDER	One who pays attention.

HEEDER	One who takes notice
HEEDER	One who takes note
HEEDER	Cautious one
HEEDER	One who minds
HEEDER	Obedient one
HEEDER	Observer
HEEDER	Mindful one
HEEDER	Listener

Crossword

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