When we lost our cat, we 'posted' (up) signs all over the neighborhood asking if people had seen him.
a horse's 'post position' [=the position of a horse in the line of horses at the start of a race]
No matter what happens, do not abandon your 'post'. [=do not leave your assigned area]
(..) Where is he? He was on watch the night you all went to scavenge. I was supposed to take over for him in the morning. He wasn't at his post. Pantry was cleared out and a car was gone. No one's seen him since. That son of a bitch. - He stole our shit and ran. (..)2017 TvShow: The Walking Dead Title: Rock in the Road Season: 7 Episode 9