1Co 5:1It is actually reported that there is sexual immorality among you, and of a kind that even pagans do not tolerate: A man is sleeping with his father’s wife.
1Co 5:3For my part, even though I am not physically present, I am with you in spirit. As one who is present with you in this way, I have already passed judgment in the name of our Lord Jesus on the one who has been doing this.
1Co 5:8Therefore let us keep the Festival, not with the old bread leavened with malice and wickedness, but with the unleavened bread of sincerity and truth.
1Co 5:10not at all meaning the people of this world who are immoral, or the greedy and swindlers, or idolaters. In that case you would have to leave this world.
1Co 5:11But now I am writing to you that you must not associate with anyone who claims to be a brother or sister[fn] but is sexually immoral or greedy, an idolater or slanderer, a drunkard or swindler. Do not even eat with such people.
In contexts like this, the Greek word for flesh (sarx) refers to the sinful state of human beings, often presented as a power in opposition to the Spirit.