Well, the singer may face internal moral dilemmas. Since Christian values often emphasize certain norms regarding relationships, loving a lesbian might seem to go against those ingrained values. Also, from a career perspective, there could be problems. If the singer is known in Christian music circles which tend to be more conservative, there might be a backlash from fans and the industry that could harm their career.
The Christian singer might first face the challenge of self - acceptance. They need to come to terms with their feelings in the context of their own faith. In the story, perhaps they would also face the difficulty of how to communicate their situation to their family and friends who are also part of the Christian community. There could be a lot of misunderstandings and heartache. The singer may also have to deal with the social stigma attached to same - sex relationships within the broader Christian framework. This could lead to a sense of isolation as they try to navigate their love for the lesbian while still maintaining some connection to their religious identity.
One challenge could be the conflict with religious beliefs. In Christianity, some traditional teachings may not be in line with same - sex relationships. So the singer might struggle with reconciling their love for this person with their faith. Another challenge could be the reaction from the Christian community. They may face judgment or exclusion from some within the community who hold more conservative views.