'Convert' in the Bible

Make the heart of this people fat, and make their ears heavy, and shut their eyes; lest they see with their eyes, and hear with their ears, and understand with their heart, and convert, and be healed.

And the foreigners who join themselves to the Lordminister to Him, love the name of Yahwehand become His servants,all who keep the Sabbath without desecrating itand who hold firmly to My covenant—