Understand that 'Calvinist' originates from historical religious reform and may imply strictness in faith. His Calvinist devotion to work ethic is evident in his dedication.
Pro Tip 2/3
Cultural Perception
In some cultures, being a Calvinist might be seen as conservative or traditional in religious practices. As a Calvinist, she follows a conservative dress code.
Pro Tip 3/3
Social Context
The term may not be well-known outside Christian communities, so explain it when used among diverse groups. I'm a Calvinist, which means I follow the teachings of 16th-century reformer John Calvin.