And yes, evangelism needs to be part of it... in the sense of making introductions with the Lord. If I were doing this, I could not in good conscience ask someone to stop with a “higher power.”
The Lord knows how to deal with such issues. It may be that the prayer is lacking to ask Him to do that. And it would truly be an interdenominational effort, as long as we are speaking of Christian denominations.
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I have a sister who is a lesbian, for reasons that are very clear to me. We recently talked, after having been apart for a few years, and all that she asked of me was to be honest with her, and so I was. Was it a spiritual problem? Yes, I think that was part of it. Our entire family failed her. I think that may be true in many cases.
Often families are caught with their spiritual pants down, so to speak, when someone prone to such issues appears as a member of them.
There may be dysfunctional reactions that make the situation worse, not better.
Ultimately, yes a personal Lord can and if earnestly sought will solve the issues. C. S. Lewis had an excellent insight in his “Screwtape Letters.” Screwtape pointed out that the devil’s best work is done by keeping things OUT of people’s minds. And I believe this is the dynamic behind sexual perversion. A key element or elements of love go missing in the person’s mind, and the “love circuitry” collapses into grotesque forms. Now Satan has something to pump.
I have nothing but the greatest sympathy for anyone who is in such a situation who retains the slightest wish to be beyond it. Some people, sadly, “turn the lemon into lemonade” in a manner that only forms a big demon nest in their lives. And it is obvious: “gays” often show some very dysfunctional social behavior and it is generally worse where society is more permissive (which knocks out the theory that it is due to “homophobia.”)