sentinel

Dogs get more tick bites and are tested more often for vector-borne diseases than people, so they can be sentinels for their owners.

All of Orange County Fire Watch’s sentinels started as volunteers with the county parks or the Irvine Ranch Conservancy, which boast pools of 1,200 and 500 volunteers, respectively.

"You've just murdered a sentinel of time and elemental spirit of Northumberland," he raged on social media.

The first season’s guards present the games as opportunities, assuring the players that the machine gun-toting sentinels in pink jumpsuits aren’t there to hurt them.

While the latter two were essentially vaporized by the fire, the burned shells of the others remain, steel sentinels left ravaged by the flames.