Lord can protect one from the most dangerous type of fear.
A devotee knows that even at his death Krishna will protect him. The real test of our devotion will be at that time.
If God wants to kill somebody, nobody can protect him and if God wants to protect him, nobody can kill him.
A devotee of the Lord is always fearless because of the protection given by the Lord.
The Lord protects everyone, but one who depends completely upon Him is especially looked after by the Lord.
Srimad Bhagavatam 1.8.8,
To protect ourselves from Kali we have to be honest, sincere and should not keep ulterior motive-. Hence we became instruments of Maya. We should strive to live by the teachings that Srimad Bhagvatam has left with us.