Can transgender people be Muslims, and how do gendered rules and rules about marriage apply?

In Islam, the acceptance of individuals who identify as transgender is a complex issue influenced by varying interpretations of gender, identity, and religious law. Importantly, the Qur'an does not explicitly address transgender identities, but it emphasizes the importance of faith. Believers are encouraged to seek a relationship with Allah, regardless of their gender identity.

Regarding the rules of marriage, the Qur'an provides guidance on relationships and the status of marriages involving believers and non-believers. For instance, in Surah Al-Mumtahana, it states: O ye who believe! When believing women come unto you as fugitives, examine them. Allah is Best Aware of their faith. Then, if ye know them for true believers, send them not back unto the disbelievers. They are not lawful for them (the disbelievers), nor are they (the disbelievers) lawful for them. 60:10. This verse underscores the significance of faith in validating marital relationships.

Additionally, the application of gendered rules can be seen in the context of marriage. In Surah An-Nisaa, Allah instructs: And whoso is not able to afford to marry free, believing women, let them marry from the believing maids whom your right hands possess. 4:25. This indicates that marriage is permitted with both free and enslaved believers, and emphasizes the importance of mutual faith.

The Shia tradition also provides specific insights into marriage validity when one spouse converts to Islam. As narrated in Al-Kafi, Abu Ja‘far, ‘Alayhi al-Salam, has said, ‘Of the non-Muslim taxpayers, if one spouse becomes a Muslim, their marriage remains valid and he cannot take her out of the Muslim domain to other areas or spend a night with her but he can meet her during the day. The pagans, like Arab pagans or others live with their marriage until the time the waiting period is complete. If the woman becomes a Muslimah then the man becomes a Muslim before the waiting period is over. She remains his wife; but if he did not become a Muslim before the waiting period is complete then she becomes stranger for him and he cannot approach her. This applies to all non-tax payers. It is not proper for a Muslim to marry a Jewish or a Christian woman if he can find a Muslim woman.’ Al-Kafi 33:9518. This narration delineates the conditions under which marriages can remain valid following a conversion.

In conclusion, while there is no direct mention of transgender individuals in the Qur'an, the principles of faith and mutual respect govern the acceptance of individuals in the Muslim community. Marriage rules emphasize the importance of faith and highlight the need for compatibility in belief. Each situation may warrant individual consideration, and different scholars or communities may interpret these teachings in diverse ways.