In an age where so much is virtual and wireless, it seems like we in the church need to be extra intentional about genuine fellowship. In my experience true fellowship is a natural multiplier where grace begets grace. Perhaps one of the best ways to be the light of the world is by modeling grace filled relationships that point people to Jesus.
Here is an article that discusses true fellowship and our need for it:
https://relevantmagazine.com/article/what-fellowship-actually-looks-like/