Isaya 56 : 6 Isaiah chapter 56 verse 6

Na wageni, walioandamana na Bwana ili wamhudumu, na kulipenda jina la Bwana, kuwa watumishi wake; kila aishikaye sabato asiivunje, na kulishika sana agano langu;
soma Mlango wa 56

Also the foreigners who join themselves to Yahweh, to minister to him, and to love the name of Yahweh, to be his servants, everyone who keeps the Sabbath from profaning it, and holds fast my covenant;