Contradiction with Proverbs 25:21
Jeremiah 41:11 describes a pursuit, whereas Proverbs 25:21 advocates kindness towards one's enemy.
Proverbs 25:21: If thine enemy be hungry, give him bread to eat; and if he be thirsty, give him water to drink:
Contradiction with Matthew 5:44
Jeremiah 41:11 involves resistance, while Matthew 5:44 instructs to love and pray for enemies.
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 12:19
In Jeremiah 41:11, there is an implication of taking action, contradicting Romans 12:19 which advises against seeking revenge.
Romans 12:19: Dearly beloved, avenge not yourselves, but [rather] give place unto wrath: for it is written, Vengeance [is] mine; I will repay, saith the Lord.