Contradiction with Matthew 5:44
While 2 Samuel 2:5 commends the people of Jabesh-Gilead for kindness to Saul, Matthew 5:44 instructs to love and bless enemies, differing from only showing kindness to those who were allies.
Matthew 5:44: But I say unto you, Love your enemies, bless them that curse you, do good to them that hate you, and pray for them which despitefully use you, and persecute you;
Contradiction with Romans 12:20
2 Samuel 2:5 praises acts of loyalty towards a fallen leader, but Romans 12:20 advises showing kindness and feeding enemies, potentially opposing retribution or selective loyalty.
Romans 12:20: Therefore if thine enemy hunger, feed him; if he thirst, give him drink: for in so doing thou shalt heap coals of fire on his head.