How should nonbelievers be treated? Bible Contradictions

This Bible contradiction is from the Skeptic's Annotated Bible.

Verses

Kill them.

Deuteronomy 13:6-10 View context

If thy brother, the son of thy mother, or thy son, or thy daughter, or the wife of thy bosom, or thy friend, which [is] as thine own soul, entice thee secretly, saying, Let us go and serve other gods, which thou hast not known, thou, nor thy fathers;

[Namely], of the gods of the people which [are] round about you, nigh unto thee, or far off from thee, from the [one] end of the earth even unto the [other] end of the earth;

Thou shalt not consent unto him, nor hearken unto him; neither shall thine eye pity him, neither shalt thou spare, neither shalt thou conceal him:

But thou shalt surely kill him; thine hand shall be first upon him to put him to death, and afterwards the hand of all the people.

And thou shalt stone him with stones, that he die; because he hath sought to thrust thee away from the LORD thy God, which brought thee out of the land of Egypt, from the house of bondage.

Shun them.

2 Corinthians 6:14-17 View context

Be ye not unequally yoked together with unbelievers: for what fellowship hath righteousness with unrighteousness? and what communion hath light with darkness?

And what concord hath Christ with Belial? or what part hath he that believeth with an infidel?

And what agreement hath the temple of God with idols? for ye are the temple of the living God; as God hath said, I will dwell in them, and walk in [them]; and I will be their God, and they shall be my people.

Wherefore come out from among them, and be ye separate, saith the Lord, and touch not the unclean [thing]; and I will receive you,

Love and be kind to them.

Leviticus 19:18 View context

Thou shalt not avenge, nor bear any grudge against the children of thy people, but thou shalt love thy neighbour as thyself: I [am] the LORD.

Matthew 22:39 View context

And the second [is] like unto it, Thou shalt love thy neighbour as thyself.

Mark 12:31 View context

And the second [is] like, [namely] this, Thou shalt love thy neighbour as thyself. There is none other commandment greater than these.

Luke 10:27 View context

And he answering said, Thou shalt love the Lord thy God with all thy heart, and with all thy soul, and with all thy strength, and with all thy mind; and thy neighbour as thyself.

Romans 13:9-10 View context

For this, Thou shalt not commit adultery, Thou shalt not kill, Thou shalt not steal, Thou shalt not bear false witness, Thou shalt not covet; and if [there be] any other commandment, it is briefly comprehended in this saying, namely, Thou shalt love thy neighbour as thyself.

Love worketh no ill to his neighbour: therefore love [is] the fulfilling of the law.

Galatians 5:14 View context

For all the law is fulfilled in one word, [even] in this; Thou shalt love thy neighbour as thyself.

James 2:8 View context

If ye fulfil the royal law according to the scripture, Thou shalt love thy neighbour as thyself, ye do well:

Matthew 5:44 View context

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;