Contradiction with Proverbs 24:17
This verse advises against rejoicing when your enemy falls, while Job 19:22 questions why one would pursue someone already afflicted.
Proverbs 24:17: Rejoice not when thine enemy falleth, and let not thine heart be glad when he stumbleth:
Contradiction with Matthew 5:44
Urges to love your enemies, whereas Job 19:22 depicts the opposite sentiment by questioning why someone would persecute a troubled man.
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;