I work in a place where there are non Jews and Jews, I have been asked to do the lunch run which will no doubt involve buying non kosher food for a Jew. Is this allowed. I have been given the option of not doing the lunch run.
It is great that you have the option not to do it, because there are a number of potential problems here. The first one is Mesayaya L’devar Aveiro, as you are helping the non-religious Jew eat non-kosher, and maris ayin by buying the non-kosher food.