How Christians are expected to accommodate or view the existence and presence of other religions vis a vis Christianity?

Question

We as Christians acknowledge the God’s plan of salvation at work first through Judaism in OT and then through Christianity in NT. So this question does not apply to Judaism.

This plan of salvation right from man’s fall in Genesis to the NT, is like a well oiled machine, where the OT and NT are in sync with each other. This I am saying because we accept OT in same spirit as NT and Judaism as from God because that is how God wanted to mould Jewish people to make them ready for receiving His promised Messiah. Contrary to this we find all other religions not at all compatible with each other and that applies their relation with Judaism and Christianity also.

So what would be the best viewpoint to take on these other religions? How Christians are expected to accommodate or view them vis a vis our belief. Do we have to treat them as teaching that did not have origin from God but only from human thinking or from some hallucinations?

I am looking for answers from the Christian point of view only and not from any other position of belief/unbelief.

Are all other religions man-made?

Answer 1

I'm going to answer the main portion of the question from a purely Biblical perspective. I anticipate that this question as well as this answer is going to generate a lot of debate, so I'm framing my answer as one from an in-arguably Christian perspective - one that's based on Scripture.

The presence of other religions is addressed in Romans 1. (Quote below is KJV)

20 For the invisible things of him from the creation of the world are clearly seen, being understood by the things that are made, even his eternal power and Godhead; so that they are without excuse:

21 Because that, when they knew God, they glorified him not as God, neither were thankful; but became vain in their imaginations, and their foolish heart was darkened.

22 Professing themselves to be wise, they became fools,

23 And changed the glory of the uncorruptible God into an image made like to corruptible man, and to birds, and fourfooted beasts, and creeping things.

In short, man decided to reject God, and searched for other gods fashioned after their own imaginations. The Biblical answer to your question is that yes, all other religions are man-made.

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*And yes, I realize that there are plenty who would say Christianity is man-made as well, but that's not what the question is asking. Answers on this site are supposed to represent a Christian perspective, which is what this is, and is what the question specifically asked for. Whether or not this perspective is true or not is off-topic for this site.*

Answer 2

There are so many bible verses that declare Jesus to be the only true Lord and that all other religions worship in vain that are too numerous to count. Here are three for example:

6 Jesus said to him, “I am the way, and the truth, and the life. No one comes to the Father except through me. 7 If you had known me, you would have known my Father also. From now on you do know him and have seen him.” (John 14:6-7, ESV)

11 This Jesus is the stone that was rejected by you, the builders, which has become the cornerstone. 12 And there is salvation in no one else, for there is no other name under heaven given among men by which we must be saved.” (ACTS 4:11-12, ESV)

5 I am the vine; you are the branches. Whoever abides in me and I in him, he it is that bears much fruit, for apart from me you can do nothing. 6 If anyone does not abide in me he is thrown away like a branch and withers; and the branches are gathered, thrown into the fire, and burned. (John 15:4-5, ESV)

Now how we are to view those without faith in Christ is how we are to view lost sinners who pretend to worship God. Those without Christ who pretend to worship God are out of necessity idolaters for they worship images in their own mind that blaspheme the grace of God in Christ. This is not to say there is not some ‘truth’ in all religion, it is only to say that the glory of the gospel is perverted so badly that the end result is the human religion that they use to replace it. God wrath is against all these false religions.

18 For the wrath of God is revealed from heaven against all ungodliness and unrighteousness of men, who by their unrighteousness suppress the truth. 19 For what can be known about God is plain to them, because God has shown it to them. 20 For his invisible attributes, namely, his eternal power and divine nature, have been clearly perceived, ever since the creation of the world, in the things that have been made. So they are without excuse. 21 For although they knew God, they did not honor him as God or give thanks to him, but they became futile in their thinking, and their foolish hearts were darkened. 22 Claiming to be wise, they became fools, 23 and exchanged the glory of the immortal God for images resembling mortal man and birds and animals and creeping things. (Romans 1:18-23, ESV)

At the time of Christ idols were physical and in some religions they still have them, but religions that hold ideals or beliefs about being saved by their good works, rather then faith in Christ alone, are no less idolatrous than mere idols made of stone. The idols are still based out of their foolish hearts resembling mortal man and not the only Son of God who died as an atoning sacrifice for our sins. Current Judaism of course suffers under the same curse for it still rejects its only hope, Jehovah in Jesus, the only Christ of God, the only true God.