When the rubber meets the road, #hashtag heroics are gone and real human tendencies come out.
Your safety and the safety of your family is in YOUR hands. Christians are to live peacefully as doves and to avoid violet conflict whenever possible. However, Christians are most definitely able to use lethal defense when an attacker is going to harm you and your family.
We do not LIVE by the sword. However, the sword is there for the infrequent times we need it for protection.