Refers to guarding, security, or policing duties, often in official or organizational contexts. The word is somewhat formal and not an everyday term.
The security corps protects the safety of the community.
Engage in guard duties.
civil defense unit; voluntary guards
Compound of 警 (けい, 'warn, caution') and 防 (ぼう, 'defend, protect'). The exact historical derivation is uncertain, but the combination naturally yields the meaning of guarding or security.