For instance take the issue: Can a saved, Hindu by birth, accompany his relatives to a temple? The church may prohibit this in principle. (Roman Catholics after salvation will face similar issues.)
John 16:13
ESV - 13 When the Spirit of truth comes, he will guide you into all the truth, for he will not speak on his own authority, but whatever he hears he will speak, and he will declare to you the things that are to come.
For follow-up discussion and general commentary on the topic. Comments are sorted chronologically.