Work
"You are the light of the world. A city set on a hill cannot be hidden. Nor do people light a lamp and put it under a basket, but on a stand, and it gives light to all in the house. In the same way, let your light shine before others, so that they may see your good works and give glory to your Father who is in heaven." - Matthew 5:14-16, ESV
Glorify God with your work. Imagine you a directly working for the Lord and have that same attiude and effeciency and effectiveness in everything task and job you have. Be a shining light for God so that your co-workers or people in your industry will wonder why you are the way you are and ask questions.