Esther 9:27
the Jews firmly obligated themselves and their offspring and all who joined them, that without fail they would keep these two days according to what was written and at the time appointed every year,
Esther 8:17
And in every province and in every city, wherever the king's command and his edict reached, there was gladness and joy among the Jews, a feast and a holiday. And many from the peoples of the country declared themselves Jews, for fear of the Jews had fallen on them.
Isaiah 56:3
Let not the foreigner who has joined himself to the LORD say, "The LORD will surely separate me from his people"; and let not the eunuch say, "Behold, I am a dry tree."
Isaiah 56:6
"And the foreigners who join themselves to the LORD, to minister to him, to love the name of the LORD, and to be his servants, everyone who keeps the Sabbath and does not profane it, and holds fast my covenant--
Zechariah 2:11
And many nations shall join themselves to the LORD in that day, and shall be my people. And I will dwell in your midst, and you shall know that the LORD of hosts has sent me to you.
Deuteronomy 5:3
Not with our fathers did the LORD make this covenant, but with us, who are all of us here alive today.
Deuteronomy 29:14-15
It is not with you alone that I am making this sworn covenant,
Joshua 9:15
And Joshua made peace with them and made a covenant with them, to let them live, and the leaders of the congregation swore to them.
1 Samuel 30:25
And he made it a statute and a rule for Israel from that day forward to this day.
2 Samuel 21:1-2
Now there was a famine in the days of David for three years, year after year. And David sought the face of the LORD. And the LORD said, "There is bloodguilt on Saul and on his house, because he put the Gibeonites to death."
Esther 9:21
obliging them to keep the fourteenth day of the month Adar and also the fifteenth day of the same, year by year,
Zechariah 8:23
Thus says the LORD of hosts: In those days ten men from the nations of every tongue shall take hold of the robe of a Jew, saying, 'Let us go with you, for we have heard that God is with you.'"