There are many terms for someone who surrenders to God, depending on the religion and the nuance you want to convey. Here are a few possibilities:
*   Believer: This is a general term for someone who accepts the existence and teachings of God.
*   Devotee: This term implies a strong commitment and dedication to God.
*   Follower: This suggests someone who adheres to the principles and guidance of God.
*   Worshiper: This refers to someone who expresses reverence and adoration for God.
*   Pious: This describes someone who is devout and righteous in their religious practice.
*   Submitter: In Islam, a person who submits to God (Allah) is called a Muslim. The word "Muslim" itself means "one who submits."
*   Surrendered Soul: This more poetic term describes someone who has completely yielded their will and life to God.
*   Disciple: In Christianity, a disciple is a follower of Jesus Christ.
*   Convert: This is someone who has changed their religious beliefs to embrace a particular faith and surrender to its God.
*   Seeker: Someone who is actively trying to find and understand God.
The best term to use depends on the specific context and the individual's relationship with God.