[header] How to avoid an undesired conversation [title] Be alert. [step] The best way to avoid someone, and the conversation they may want to have with you, is to be aware of when they are or might be around. Be aware of their schedule as well as of your surroundings. 
[substeps] Pay attention to which routes they take, where they normally hang out, what times they leave and arrive. This way you will know what places to avoid and when.