Revelation 2:20

But I have this against you, that you tolerate that woman [named] Jezebel, who calls herself a prophetess. She teaches and deceives my servants into [practicing] sexual immorality and into eating things sacrificed to idols.

Revelation 2:14

"But I have a few things against you because you have people there [in the church] who hold to the teaching of Balaam, who taught Balak to place a stumblingblock in front of the Israelites, [causing them] to eat food sacrificed to idols and to be sexually immoral [See Num. 23-24].

Acts 15:29

Avoid [eating] things sacrificed to idols; avoid [drinking] blood; avoid [eating] things [that were] strangled [to death] and avoid sexual immorality. If you avoid [all] these things, you will be doing well. Goodbye."

Acts 15:20

but to write [urging] them to avoid [eating] what is contaminated by [its association with] idol worship, from sexual immorality, from [eating] strangled animals and from [drinking] blood.

1 Corinthians 8:10-12

For if someone with a weak conscience sees you, who have [correct] knowledge [in this matter], eating in an idol's temple, will he not be encouraged to eat food sacrificed to idols?

1 Corinthians 10:18-21

Look at the physical nation of Israel; do not their people [i.e., the priests] who eat the [animal] sacrifices have fellowship [with God] in the Altar [service]?

1 Corinthians 10:28

But if anyone says to you, "This [food] has been offered as a sacrifice [to an idol]," do not eat it, for the sake of the person who pointed this out to you, and for conscience' sake ---

Revelation 2:4

"But, this is what I have against you, that you have forsaken your first love [i.e., love for Christ and His church].

Treasury of Scripture Knowledge

Summary

Notwithstanding I have a few things against thee, because thou sufferest that woman Jezebel, which calleth herself a prophetess, to teach and to seduce my servants to commit fornication, and to eat things sacrificed unto idols.

Bible References

I have

Revelation 2:4
"But, this is what I have against you, that you have forsaken your first love [i.e., love for Christ and His church].

And to seduce

Revelation 2:14
"But I have a few things against you because you have people there [in the church] who hold to the teaching of Balaam, who taught Balak to place a stumblingblock in front of the Israelites, [causing them] to eat food sacrificed to idols and to be sexually immoral [See Num. 23-24].
Acts 15:20
but to write [urging] them to avoid [eating] what is contaminated by [its association with] idol worship, from sexual immorality, from [eating] strangled animals and from [drinking] blood.
1 Corinthians 8:10
For if someone with a weak conscience sees you, who have [correct] knowledge [in this matter], eating in an idol's temple, will he not be encouraged to eat food sacrificed to idols?
1 Corinthians 10:18
Look at the physical nation of Israel; do not their people [i.e., the priests] who eat the [animal] sacrifices have fellowship [with God] in the Altar [service]?