Biblical standards

If a  person does not live by these teachings should they call themselves a Christian?

No one can perfectly live by these teachings so a Christian finds the need frequently to repent, to turn away from the things that separate them from the Kingdom of Heaven and with the help of the Holy Spirit seek to live according to the teaching of Jesus and his apostles.

John 14:15,21
[Jesus said] "If you love me, keep my commands...Whoever has my commands and keeps them is the one who loves me. The one who loves me will be loved by my Father, and I too will love them and show myself to them."

1 John 2:3-5
3We know that we have come to know him if we keep his commands. 4Whoever says, “I know him,” but does not do what he commands is a liar, and the truth is not in that person. 5But if anyone obeys his word, love for God is truly made complete in them. This is how we know we are in him: 6Whoever claims to live in him must live as Jesus did.

Matthew 26:41
[Jesus said] "Watch and pray so that you will not fall into temptation. The spirit is willing, but the flesh is weak.”

1 Peter5:8-11
8Be alert and of sober mind. Your enemy the devil prowls around like a roaring lion looking for someone to devour. 9Resist him, standing firm in the faith, because you know that the family of believers throughout the world is undergoing the same kind of sufferings.10And the God of all grace, who called you to his eternal glory in Christ, after you have suffered a little while, will himself restore you and make you strong, firm and steadfast. 11To him be the power for ever and ever. Amen.

1 Corinthians 10:13
13No temptation has overtaken you except what is common to mankind. And God is faithful; he will not let you be tempted beyond what you can bear. But when you are tempted, he will also provide a way out so that you can endure it.

Mark 7:21-23
[Jesus said] “For from within, out of the heart of man, come evil thoughts, sexual immorality, theft, murder, adultery, coveting, wickedness, deceit, sensuality, envy, slander, pride, foolishness. All these evil things come from within, and they defile a person.”

Galatians 5:19-21
Now the works of the flesh are evident: sexual immorality, impurity, sensuality, idolatry, sorcery, enmity, strife, jealousy, fits of anger, rivalries, dissensions, divisions, envy, drunkenness, orgies, and things like these. I warn you, as I warned you before, that those who do such things will not inherit the kingdom of God.

1 Corinthians 6:9-10
Or do you not know that the unrighteous will not inherit the kingdom of God? Do not be deceived: neither the sexually immoral, nor idolaters, nor adulterers, nor men who practice homosexuality, nor thieves, nor the greedy, nor drunkards, nor revilers, nor swindlers will inherit the kingdom of God.

Ephesians 5:5-6
For you may be sure of this, that everyone who is sexually immoral or impure, or who is covetous (that is, an idolater), has no inheritance in the kingdom of Christ and God.

1 Peter 4:2-4
so as to live for the rest of the time in the flesh no longer for human passions but for the will of God. For the time that is past suffices for doing what the Gentiles want to do, living in sensuality, passions, drunkenness, orgies, drinking parties, and lawless idolatry. With respect to this they are surprised when you do not join them in the same flood of debauchery, and they malign you;

Colossians 3:5-8
Put to death therefore what is earthly in you: sexual immorality, impurity, passion, evil desire, and covetousness, which is idolatry. On account of these the wrath of God is coming. In these you too once walked, when you were living in them. But now you must put them all away: anger, wrath, malice, slander, and obscene talk from your mouth.

1 Timothy 1:9-10
understanding this, that the law is not laid down for the just but for the lawless and disobedient, for the ungodly and sinners, for the unholy and profane, for those who strike their fathers and mothers, for murderers, the sexually immoral, men who practice homosexuality, enslavers, liars, perjurers, and whatever else is contrary to sound doctrine,

2 Corinthians 12:20-21
For I fear that perhaps when I come I may find you not as I wish, and that you may find me not as you wish—that perhaps there may be quarrelling, jealousy, anger, hostility, slander, gossip, conceit, and disorder. I fear that when I come again my God may humble me before you, and I may have to mourn over many of those who sinned earlier and have not repented of the impurity, sexual immorality, and sensuality that they have practiced.

Romans 1: 18-32
18The wrath of God is being revealed from heaven against all the godlessness and wickedness of people, who suppress the truth by their wickedness, 19since what may be known about God is plain to them, because God has made it plain to them. 20For since the creation of the world God’s invisible qualities – his eternal power and divine nature – have been clearly seen, being understood from what has been made, so that people are without excuse.

21For although they knew God, they neither glorified him as God nor gave thanks to him, but their thinking became futile and their foolish hearts were darkened. 22Although they claimed to be wise, they became fools 23and exchanged the glory of the immortal God for images made to look like a mortal human being and birds and animals and reptiles.

24Therefore God gave them over in the sinful desires of their hearts to sexual impurity for the degrading of their bodies with one another. 25They exchanged the truth about God for a lie, and worshipped and served created things rather than the Creator – who is for ever praised. Amen.

26Because of this, God gave them over to shameful lusts. Even their women exchanged natural sexual relations for unnatural ones. 27In the same way the men also abandoned natural relations with women and were inflamed with lust for one another. Men committed shameful acts with other men, and received in themselves the due penalty for their error.

28Furthermore, just as they did not think it worth while to retain the knowledge of God, so God gave them over to a depraved mind, so that they do what ought not to be done. 29They have become filled with every kind of wickedness, evil, greed and depravity. They are full of envy, murder, strife, deceit and malice. They are gossips, 30slanderers, God-haters, insolent, arrogant and boastful; they invent ways of doing evil; they disobey their parents; 31they have no understanding, no fidelity, no love, no mercy. 32Although they know God’s righteous decree that those who do such things deserve death, they not only continue to do these very things but also approve of those who practise them.

2 Timothy 3:1-5
1But mark this: There will be terrible times in the last days. 2People will be lovers of themselves, lovers of money, boastful, proud, abusive, disobedient to their parents, ungrateful, unholy, 3without love, unforgiving, slanderous, without self-control, brutal, not lovers of the good, 4treacherous, rash, conceited, lovers of pleasure rather than lovers of God— 5having a form of godliness but denying its power. Have nothing to do with such people.

John 3:16-18
For God so loved the world that he gave his one and only Son, that whoever believes in him shall not perish but have eternal life. For God did not send his Son into the world to condemn the world, but to save the world through him. Whoever believes in him is not condemned, but whoever does not believe stands condemned already because they have not believed in the name of God’s one and only Son.

Romans 3:10
As it is written: ‘There is no-one righteous, not even one;

Mark 1: 15
‘The time has come,’ he [Jesus] said. ‘The kingdom of God has come near. Repent and believe the good news!’

Acts 17:30
In the past God overlooked such ignorance, but now he commands all people everywhere to repent.