Warumi 15 : 16 Romans chapter 15 verse 16

ili niwe mhudumu wa Kristo Yesu kati ya watu wa Mataifa, niifanyie Injili ya Mungu kazi ya ukuhani, kusudi Mataifa wawe sadaka yenye kibali, ikiisha kutakaswa na Roho Mtakatifu.
soma Mlango wa 15

that I should be a servant of Christ Jesus to the Gentiles, ministering as a priest the Gospel of God, that the offering up of the Gentiles might be made acceptable, sanctified by the Holy Spirit.