Security guard

/sɪkjˈʊəɹɪti ɡˈɑːd/

/sɪkjˈʊɹɪɾi ɡˈɑːɹd/

Security guard

someone who protects something such as a building, etc.

synonyms : watcher

Examples

1. The security guard saw the visitor to the correct building entrance for their appointment.

2. The security guard watched the surveillance footage, looking for any suspicious activity.

3. The security guard let the workers into the building after checking their badges.

4. The security guard quickly zapped the intruder with a taser to immobilize them.