Final answer:
Stephen, who tutors at a local elementary school, best represents an active citizen promoting the common good in a democratic society. His volunteer work contributes to the educational system and supports the principles of democracy.
Step-by-step explanation:
The individual who best demonstrates the active participation of a citizen promoting the common good for a democratic society is Stephen, who tutors at a local elementary school each week to help students in math. Stephen's action fits the concept of civic engagement as it involves volunteering his time to improve educational outcomes for children, which benefits society as a whole. This form of participation is often seen as enhancing the community and contributing towards the formation of human capital, which is a key component to the success and well-being of a democratic society.
Historically, citizens have used various forms of participation, from volunteering to political activism, to influence government actions and advocate for the public good. Stephen's contribution is a direct form of civic engagement that supports the educational system, aligning with the principles of democracy that encourage individuals to contribute to societal improvements and the collective benefit of all.