Lesbian, gay, bisexual, transgender (LGBT) affirming religious groups (also called gay-affirming) are religious groups that welcome LGBT

LGBT

LGBT is an initialism that collectively refers to "lesbian, gay, bisexual, and transgender" people. In use since the 1990s, the term "LGBT" is an adaptation of the initialism "LGB", which itself started replacing the phrase "gay community" beginning in the mid-to-late 1980s, which many within the...

 members and do not consider homosexuality

Homosexuality

Homosexuality is romantic or sexual attraction or behavior between members of the same sex or gender. As a sexual orientation, homosexuality refers to "an enduring pattern of or disposition to experience sexual, affectional, or romantic attractions" primarily or exclusively to people of the same...

 to be a sin

Sin

In religion, sin is the violation or deviation of an eternal divine law or standard. The term sin may also refer to the state of having committed such a violation. Christians believe the moral code of conduct is decreed by God In religion, sin (also called peccancy) is the violation or deviation...

. They include entire religious denomination

Religious denomination

A religious denomination is a subgroup within a religion that operates under a common name, tradition, and identity.The term describes various Christian denominations...

s, as well as individual churches and synagogue

Synagogue

A synagogue is a Jewish house of prayer. This use of the Greek term synagogue originates in the Septuagint where it sometimes translates the Hebrew word for assembly, kahal...

s. Some are composed mainly of non-LGBT members and also have specific programs to welcome LGBT people, while others are composed mainly of LGBT members.
The Abrahamic religions of Judaism

Judaism

Judaism ) is the "religion, philosophy, and way of life" of the Jewish people...

, Christianity

Christianity

Christianity is a monotheistic religion based on the life and teachings of Jesus as presented in canonical gospels and other New Testament writings...

 and Islam

Islam

Islam . The most common are and .   : Arabic pronunciation varies regionally. The first vowel ranges from ~~. The second vowel ranges from ~~~...

, have traditionally forbidden sodomy

Sodomy

Sodomy is an anal or other copulation-like act, especially between male persons or between a man and animal, and one who practices sodomy is a "sodomite"...

, believing and teaching that such behaviour is sin

Sin

In religion, sin is the violation or deviation of an eternal divine law or standard. The term sin may also refer to the state of having committed such a violation. Christians believe the moral code of conduct is decreed by God In religion, sin (also called peccancy) is the violation or deviation...

ful.