"As each one has received a gift, use it to serve one another as good stewards of God's varied grace" (1 Pt 4:10).

What identifies a steward? Safeguarding material and human resources and using them responsibly are one answer; so is generous giving of time, talent, and treasure.  But being a Christian steward means more. As Christian stewards, we receive God's gifts gratefully, cultivate them responsibly, share them lovingly in justice with others, and return them with increase to the Lord.

United States Conference of Catholic Bishops. To Be a Christian Steward - 
A Summary of the U.S. Bishops' Pastoral Letter on Stewardship. 
https://www.usccb.org/committees/evangelization-catechesis/stewardship