Why condemn LGBTQ+ but not shellfish?
Why does Christianity condemn LGBTQ+ relationships when it also forbids eating shellfish and wearing mixed fabrics (Leviticus 11:10, 19:19)?

Historical and Cultural Context of Leviticus

Leviticus records instructions given to the ancient Israelites under the Mosaic Covenant. These regulations encompassed moral directives, ceremonial worship guidelines, and cultural distinctions intended for Israel’s identity among surrounding nations. As it is written:

“‘You shall be holy to Me because I, the LORD, am holy.…” (Leviticus 20:26).

Under that covenant, numerous laws governed topics from dietary practices (Leviticus 11) to fabric mixtures (Leviticus 19). These laws served immediate purposes for a nation called to be separated from idolatrous customs. By examining these passages and the broader biblical narrative, one can see how the New Testament clarifies which commandments continue into the new covenant era and which were uniquely tied to Israel’s worship and cultural ritual identity.


Differentiating Between Ceremonial, Civil, and Moral Laws

Ceremonial Laws

Ceremonial regulations addressed worship, sacrificial rites, purification rituals, and dietary rules (including prohibitions against shellfish; see Leviticus 11:10). They symbolized holiness and separation from pagan rituals common in the ancient Near East. In the New Testament, these ceremonial aspects found their fulfillment in the sacrifice of Christ, making daily and annual sacrifices no longer necessary (Hebrews 10:1–10).

Civil Laws

The civil stipulations (such as agricultural and clothing instructions in Leviticus 19:19) guided Israel’s unique societal framework in the ancient context. These laws created a visible boundary between Israel and other nations. While containing lasting principles (justice, mercy, caring for the vulnerable), their specific forms often applied uniquely to that theocratic culture and do not directly transfer as legal codes for present-day believers.

Moral Laws

Moral directives address matters of righteousness and sinfulness rooted in God’s unchanging character. Adultery, murder, stealing, and false witness are timelessly condemned (Exodus 20; also reaffirmed in the New Testament). Sexual ethics—encompassing fidelity in marriage and prohibitions against incest, bestiality, and same-sex relations—fit within these moral laws (Leviticus 18; Romans 1:24–27). Christians generally see these moral principles as continuing under the new covenant, reinforced by the teachings of Jesus and the Apostles.


Fulfillment of the Law in the New Testament

Jesus underscores the distinction between the eternal moral foundation and temporary ceremonial specifics when He says,

“Do not think that I have come to abolish the Law or the Prophets; I have not come to abolish them but to fulfill them.” (Matthew 5:17).

Christ’s life, death, and resurrection fulfilled ceremonial rituals that foreshadowed His redemptive work, bringing freedom from the dietary and sacrificial dictates that once defined Israel’s temple-centered worship (Colossians 2:16–17). However, principles grounded in God’s holiness—such as loving one’s neighbor (Matthew 22:37–40) and calls to sexual integrity—persist throughout the new covenant writings.


Why Christian Teachings Address LGBTQ+ Relationships Differently from Dietary and Fabric Instructions

1. Moral Versus Ceremonial Context

Commands against same-sex relations appear within lists of behaviors consistently identified as morally sinful in both Old and New Testaments (Leviticus 18:22; Romans 1:26–27; 1 Corinthians 6:9–10). In contrast, prohibitions against shellfish or mixing fabrics fall into ceremonial regulations aimed at separating ancient Israel from Gentile cultures.

2. Reaffirmation in the New Testament

Moral prohibitions are echoed in passages such as Romans 1:24–27 and 1 Timothy 1:10. The Apostles continue to uphold sexual ethics within God’s design of marriage (one man, one woman) while simultaneously dismissing the need to follow the former dietary restrictions (Acts 10:13–15; Mark 7:18–19).

3. Shift from a Theocratic Identity

Ancient Israel’s civil and ceremonial laws formed part of its national identity in relation to other nations. Today’s Christian faith, however, transcends the borders of a single national covenant. Believers are free from any obligatory adherence to Israelite dietary or clothing codes (Galatians 5:1), yet the moral mandates reflective of God’s character hold universal continuity.


Biblical Consistency and Hermeneutics: Aligning Old and New Testaments

Certain Old Testament instructions foreshadow Christ’s ultimate redemptive act. Once He came, the types and shadows gave way to their fulfillment. This interpretive lens assists in understanding how the apostles could affirm the abiding moral standards while recognizing dietary and ritual freedoms. Such a reading does not sever the Old Testament from the New, but rather upholds their unity by seeing how Christ fulfills the deeper meaning behind these laws.

Archaeological and textual evidence, including the preserved Qumran scrolls (among them, fragments of Leviticus) and early church writings, reinforce the continuity of moral injunctions from the Old Testament to the New. The early Christians, for example, were known to abandon certain ritual observances from Judaism (Acts 15:28–29) while preserving moral teachings such as upholding chastity and rejecting idolatrous practices.


Pastoral Considerations

Although many Christians uphold the biblical teaching that same-sex relationships fall outside God’s design for marriage, it is equally emphasized that all people are called to repentance and forgiveness through Christ (Romans 3:23; 1 John 1:9). Scripture repeatedly calls believers to demonstrate love, humility, and kindness toward all individuals, regardless of how they identify or what sins they struggle with—“Let all that you do be done in love” (1 Corinthians 16:14).


Conclusion

Leviticus’ mentions of shellfish and mixed fabrics form part of the ceremonial and civil codes specific to ancient Israel, fulfilled in Christ and set aside for believers under the new covenant. Commands on sexual ethics—present from Genesis through the New Testament—reflect God’s enduring moral law. These moral directions are reaffirmed in apostolic teaching and distinguished from older ceremonial or civil ordinances.

Understanding Christianity’s stance requires viewing these teachings through the lens of Scripture’s cohesive and progressive revelation. The call to holiness that once included meticulous dietary and fabric instructions finds its full realization in Christ setting believers free from ritual law, yet guiding them to uphold moral principles that reflect God’s character.

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