Fulfillment has to do with making promises come true. Jesus made the biblical promises true through His life, death, and resurrection, But the fulfillment in the Bible also has to do with something that was finalized. You and I are busy fulfilling the Bible by obeying it on a daily basis. Fulfillment is a continuous process. We are living fulfillers of God's eternal Word.
" Bear one another's burdens, and so fulfill the law of Christ."- Galatians 6:2(ESV)