[header] How to be less naive [title] Meet people from different backgrounds. [step] Sometimes, people are perceived as being naive because their worldview is narrow or they have only limited life experience. Getting out and interacting with people who live distinctively separate lives can be a learning experience that helps you understand the world with greater nuance. 
[substeps] You might be naive because you grew up well-off and are blind to those less fortunate than you. Having friends from different socioeconomic backgrounds can help you to appreciate how fortunate you are.