Depending on what kind of Spirit/Entity it is, you might be able to find the right help from your Church or you might have to turn elsewhere. Not every Church is equipped to take on certain cases (depending on the seriousness of the matter). Sometimes a simple prayer just won’t do.
Remove any stronghold from your life that may be how it started. Drugs, pornography for example. Get prayer, fast, rebuke the spirit in the name of Jesus. God is more powerful then any spirit of this world!
You can call the church to talk to a pastor about that. Ask for anyone that's available and describe what's going on. Hope that helps. Be paying for ya.
Lots of Prayer, fasting , and ask to speak to a pastor
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