blockwatcher
nounUK /ˈblɒkˌwɒtʃə/
US /ˈblɑːkˌwɑːtʃər/
A person who keeps an eye on a neighborhood to help keep it safe.
The blockwatcher waved at us as we walked down the street.
RELATED WORDS
OTHER MEANINGS
2. A software tool that monitors blockchain transactions for activity.
The blockwatcher flagged the unusual transfer within seconds.
3. A device that watches a section of a railway line for problems.
The blockwatcher alerted the signal team about the debris on the track.
4. Someone who keeps track of a particular area or group over time.
As a blockwatcher of local politics, she knew every council member.