Isaiah 56:6
6 Also the foreigners who join themselves to Yahweh, to minister to him, and to love Yahweh’s name, to be his servants, everyone who keeps the Sabbath from profaning it, and holds fast my covenant;
6 Also the foreigners who join themselves to Yahweh, to minister to him, and to love Yahweh’s name, to be his servants, everyone who keeps the Sabbath from profaning it, and holds fast my covenant;