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If you would enter the church you would participate in 'babylon the great' and take part in their sins, like worshiping Satan. It is just said it's false religion. You could be disfellowshipped for becoming part of that - the same reason you have to got 'out of Babylon'.
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w70 3/15 pp. 191-192 Questions from Readers ***May
dedicated Christians attend church funerals of other religious organizations??C. S., U.S.A.Some Christians may feel obligated to attend a church funeral because of a debt of gratitude, because a close relative is involved or due to pressures from an unbelieving mate. But before doing so each one should consider the various factors involved and the possible alternatives. While doing so is not forbidden by the Christian congregation, such a course is certainly fraught with dangers and problems.
First of all, it is well to remember that a church funeral is not held primarily to afford friends an opportunity to console the bereaved family. Usually that is done in the funeral parlor beforehand or by visiting the family in their home. The church funeral is really a religious service. It therefore is likely to involve a sermon advocating such unscriptural ideas as the immortality of the soul and that all good people go to heaven. It may also involve unscriptural practices such as making the sign of the cross and most likely the joining in united prayer with a priest or minister of another religion. Of course, a Christian could not take part in such, in view of the command at Revelation 18:4.
In this regard Japanese funerals represent a real test for dedicated Christian wives with unbelieving husbands. If they attend the funeral, their name is called out and they are expected to go up and offer incense and a prayer to the dead. So, many of such Japanese Christians have decided that it is better not to attend these funerals.
Some dedicated Christians have attended church funerals because they wanted to stay close to the immediate family and support them. So they went to the funeral parlor, to the church funeral and then even to the grave. They might have been able to do all that without personally committing any false religious act. There are, of course, spiritual hazards in going to any place of false worship.
True, a Christian wife whose husband is an unbeliever and who wants her to attend a church funeral might look to the example of Naaman. He was the Syrian general who was cured of leprosy by bathing himself seven times in the Jordan River at the command of the prophet Elisha. Because of this miraculous cure Naaman was determined never to worship any other god than Jehovah. But that would be a hard thing for him to do because he was still in the service of his king. He helped the king get around and so would have to go with him into the house of the pagan god Rimmon. He might even have to help the king bow down. So he asked that Jehovah God forgive him and not hold this against him. Naaman, who had become a true worshiper of Jehovah, was not himself worshiping this false god; he was only there under orders.?2 Ki. 5:1-19.
And so with the Christian wife who has an unbelieving husband. If her husband insisted that on a certain occasion she go with him to a church funeral of a relative or family friend she might feel that she could act in a way similar to that in which Naaman did?be present on that occasion but not share in any acts of false religion. But whether she went would be up to her to decide. She would have to resolve the conflict between respect for her husband?s wishes and obedience to Jehovah and the dictates of her conscience, trained by God?s Word.?1 Pet. 3:16.
Yes, her conscience would be involved. Why? Because others might see her, one of Jehovah?s witnesses, entering the church, and they might be stumbled. She would therefore have to consider that possibility. As the apostle Paul wrote: "Make sure of the more important things, so that you may be flawless and not be stumbling others up to the day of Christ."?Phil. 1:10.
Better it would be if such a wife tried to explain her position to her husband. She would do well to pick a time when he was relaxed and in a good frame of mind, taking a lesson from Queen Esther, and then tactfully try to explain why she felt she could not attend such a church funeral. Among other things, she could point out that if she attended and did not take part in the ritual it might be very embarrassing to others, and especially to her husband. So an unbelieving husband might agree, out of love for his wife, respect for her religious scruples and a desire to avoid embarrassment.?Esther 5:1-8.
But might one offend the bereaved family by not attending? Only if one ignored the death entirely. One would not need to do that. A person could do things to show that he was sympathetic and interested in helping. He could go to the funeral parlor beforehand, express condolences to the family and offer practical help. A person could bring over food if need be, or cook a meal there for the family, or watch the children, relieving the adults of that responsibility temporarily. Then the family would not think that the person was unloving just because he did not attend the church funeral.
Thus there is no need for a Christian to feel obligated to go to a church funeral of another religious organization, where there may be the temptation to give in to pressure and follow the crowd when everyone else is performing some false religious act. Thus also the danger of performing an act of apostasy and displeasing Jehovah God can be avoided. But each one must decide for oneself on the basis of circumstances and one?s own conscience.