Indonesia is a house for all its citizens, regardless of their tribe, ethnicity, religion or group. Such differences no longer exist, because Indonesia is a new and modern nation-state.
It is unsurprising that a figure of the caliber of Abdurrahman Awad βA.R.β Baswedan, the founder of the Indonesian Arab Party, acknowledged that one of his closest friends was Y.B. Mangunwijaya, a Catholic priest.