You can be a giant killer, in the name of Jesus and in the power of the Holy Spirit.
“Now it happened afterward that there was again a battle with the Philistines at Gob. Then Sibbechai the Hushathite killed Saph, who was one of the sons of the giant.” (2Sam 21:18)
“Now thanks be to God who always leads us in triumph in Christ, and through us diffuses the fragrance of His knowledge in every place.” (2Cor 2:14)
“Yet in all these things we are more than conquerors [hupernikao] through Him who loved us.” (Rom 8:37)
“But thanks be to God, who gives us the victory through our Lord Jesus Christ.” (1Cor 15:57)
“I have written to you, young men, because you are strong, and the word of God abides in you, and you have overcome the wicked one.” (1Jn 2:14)
“because you have overcome the wicked one.” (1Jn 2:13)
“No weapon formed against you shall prosper” (Isa 54:17)
“But the LORD your God will deliver them over to you, and will inflict defeat upon them until they are destroyed.” (Deut 7:23)
Reading: 2Sam 21-23; Lk 14