| custodian(noun, guard, champion, crackerjack, protector) |
| guardian(noun, guard, protector, keeper, supervisor) |
| sentinel(noun, guard, warning, safeguard, safety) |
| sentry(noun, guard, warning, safety, keeper) |
| watchman(noun, warning, safety, keeper) |
| bandog(noun, warning, safety) |
| guard(noun, safeguard, champion, protector, keeper) |
| guard dog(noun, expression, idiom, dog) |
| keeper(noun, guard, champion, protector, keeper) |
| monitor(noun, person, supervisor, observer) |
| warden(noun, person, guard, champion, protector) |
| watch(noun, guard, warning, lookout, sentry) |
| lookout(noun, guard, warning, sentry) |
| patrol(noun, guard, warning, safeguard, champion) |
| warder(noun, keeper) |
| attendant(noun, guard, safeguard, champion, protector) |
| baby-sitter(noun, guard, safeguard, champion, sponsor) |
| beacon |
| caretaker(noun, crackerjack, protector, supervisor, guardian) |
| cerberus(noun, guard, champion, crackerjack, protector) |