Your presence, your words, an your life is an evangelization. For someone to not evangelize with their lives, one would have to literally be a hermit.
Any kindness to a stranger is an exercise in Christian action. Evangelizing doesn’t only mean reading Scripture to a person. The world learns what it means to be a Christian by observing Christian actions…]
This. As a nurse-student, I would often let my actions speak for me. Just being an overall good person in regards to others was enough to make them turn and pay attention to me: how I responded to angry patients or family, how I dealt with colleagues, bosses, how I acted when by myself, or during lunch, etc. It was a brief look into my life, but enough for people to ask questions. Having a crucifix exposed at all times was enough to connect me to a Christian religion, and from there was just a matter of planting seeds. People believe religions are bad things, so we have to be a better example, before trying to bring them in.
Now that I am unemployed (just graduated nurse school, pray for me!), even as a hermit it is still possible. My sister (and my parents) is Catholic but distanced from the Church (as I was half a year ago), and she sees me as I truly am: lazy, with a temper, sinning, still skipping Mass… but she still asks why I insist on being Catholic if I am like this, and I try to explain that, despite how I currently am, God still loves me and still wants me to be better.
All in all. Even as a hermit, I still find ways to evangelize; I may not be that good at it, but as long as they are curious, there is hope.