Matthew 27:52 And the graves were opened; and many bodies of the saints which slept arose,
Acts 9:13 Then Ananias answered, Lord, I have heard by many of this man, how much evil he hath done to thy saints at Jerusalem:...
32 ¶ And it came to pass, as Peter passed throughout all quarters, he came down also to the saints which dwelt at Lydda....
41 And he gave her his hand, and lifted her up, and when he had called the saints and widows, presented her alive.
Acts 26:10 Which thing I also did in Jerusalem: and many of the saints did I shut up in prison, having received authority from the chief priests; and when they were put to death, I gave my voice against them.
Romans 1:7 To all that be in Rome, beloved of God, called to be saints: Grace to you and peace from God our Father, and the Lord Jesus Christ.
Romans 8:27 And he that searcheth the hearts knoweth what is the mind of the Spirit, because he maketh intercession for the saints according to the will of God
Rom. 12:13 Distributing to the necessity of saints; given to hospitality.
It's mentioned about 50 more times in the Bible, referring to those who believe Jesus is the Christ. That's all the requirements you need to be a Saint.
We don't believe in "sainthood" like the Catholic church does. As you can see, it's not Biblical.