The author of the Book of James, including James 1:19, is traditionally identified as James, the brother of Jesus. From an evangelical Christian perspective, this James is significant for several reasons:

1. **Identity**: James is often referred to as “James the Just” and is considered one of the key figures in the early Christian church in Jerusalem. He is not to be confused with other New Testament figures named James, such as James the son of Zebedee or James the son of Alphaeus.

2. **Role in the Early Church**: James played a pivotal role in the establishment and leadership of the early church. He is mentioned in the Acts of the Apostles as a leader in Jerusalem and is thought to have been present at the Jerusalem Council (Acts 15), where issues regarding the inclusion of Gentiles in the church were discussed.

3. **Teaching Style and Themes**: The Book of James is known for its practical advice and emphasis on ethical behavior, faith in action, and the importance of living out one’s faith through good works. For instance, James 1:19 underscores the importance of being quick to listen, slow to speak, and slow to become angry, which reflects his focus on practical wisdom and moral instruction.

4. **Writing Context**: The letter is addressed to Jewish Christians who were facing trials and persecution, providing them guidance and encouragement. It emphasizes perseverance and the importance of maintaining faith and righteousness amidst difficulties.

5. **Theological Emphasis**: Evangelicals often appreciate James for his strong stance on faith and works. He famously states that “faith without works is dead” (James 2:26), demonstrating the belief that genuine faith is evidenced by actions.

In summary, from an evangelical perspective, James is viewed as an authoritative and practical voice in the New Testament, emphasizing the importance of living out one’s faith in tangible ways and providing guidance for the Christian life in the face of challenges.