Muslims believe that Allah is the only Lord and that all humans are His slaves, which emphasizes the oneness of God in Islam.

The concept of God in Christianity is fundamentally different from that in Islam. Christians believe in the Trinity, which means that God exists as three persons in one essence: the Father, the Son, and the Holy Spirit. This relational aspect of God allows for a personal relationship with believers, who are not merely seen as slaves but as children of God. In John 1:12, it states, 'But to all who did receive him, who believed in his name, he gave the right to become children of God.' This highlights the intimate relationship Christians have with God, contrasting with the Islamic view of servitude. Furthermore, the Bible teaches that Jesus is the Son of God, a claim that Muslims reject. In John 3:16, it is stated, 'For God so loved the world, that he gave his only Son, that whoever believes in him should not perish but have eternal life.' This verse underscores the Christian belief in the sacrificial love of God, which is not present in the Islamic conception of Allah. Additionally, while Muslims view all humans as slaves of Allah, Christians see themselves as heirs and co-heirs with Christ (Romans 8:17). This inheritance signifies a deeper relationship and a shared identity with Christ, rather than a mere status of servitude. Thus, the Christian understanding of God encompasses both lordship and a loving, familial relationship with believers, which is distinct from the Islamic perspective of servitude to a singular deity.