walker

noun
1
a person who walks, usually for pleasure or exercise
پیاده‌گرد, راه‌رَو, پیاده‌روی‌کننده, گردشگرِ پیاده
see also dog walker
2
a person who walks fast, slow, etc.
راه‌پیما, پیاده‌گرد, عابر, گام‌زن, قدم‌زن
3
a metal frame that people use to support them when they are walking, for example people who are old or who have a problem with their legs
واکر, دستگاه کمک راه رفتن
He now needs a walker to get around.
4
a frame with wheels and a harness that enables a baby to walk around a room, supported by the frame
واکر کودک, چهارچرخ کودک