The Christian and the Sikh can identify with each other insofar as both religious traditions have undergone much persecution and both worship only one God. The Christian and the Sikh, as persons, can have peace and mutual respect. But Sikhism and Christianity cannot be fused.
Their belief systems have some points of agreement but ultimately have a different view of God, a different view of Jesus, a different view of Scripture, and a different view of salvation.
Here is why and what can be done about it.