Ability + opportunity = responsibility
Everyone has ability. These abilities fall into categories of natural, acquired, and spiritual (God given). Not everyone has the same ability, thus the design of the church so it will function properly, as God designed it (1 Corinthians 12; Romans 12).
Opportunities are circumstances presenting possibility. We must recognize the possibilities and look for the opportunities God provides.
Therefore, we are responsible to use our abilities, consider the possibilities, and seek the God given opportunities.
Imagine what God could do through us in changing our community, or maybe the world, if we were to assume such responsibility.